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  • Blackwell Publishing Ltd  (182,058)
  • ZBW – Leibniz Information Centre for Economics Kiel, Hamburg
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  • 101
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Soil use and management 21 (2005), S. 0 
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. Changes in agricultural subsidies in Europe and the ready availability of fertilizers have allowed a spatial decoupling of livestock and crop production. This has increased the flow of nutrients that occurs between farms compared to within individual farms. In terms of nutrient cycling, mixed farms provide the opportunity to re-integrate aspects of agricultural production. The degree of integration between crop and livestock production is defined by the reliance on the use of home-produced feed compared to imported feed, and is independent of intensity. Management of inputs and/or internal flows offers the scope to improve nutrient use efficiency (NUE) on mixed farms. Greatest uncertainties in calculating NUE are associated with variation in yield and composition of home-produced feed, and consequent manure composition. Three key areas are addressed to highlight the interchange of nutrients (and risks for losses) between crop and livestock production; (i) the role of livestock diet in manipulating the amount and availability of manure nutrients; (ii) the impact of manure management on nutrient losses; and (iii) nutrient management through the integration of crops and livestock in rotations. While not all the associated issues are unique to mixed farming, these three areas all influence NUE.
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  • 102
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. We studied the effect of inoculation with three arbuscular-mycorrhizal (AM) fungi (Glomus intraradices Schenck & Smith, Glomus deserticola (Trappe, Bloss. & Menge) and Glomus mosseae ([Nicol & Gerd.] Gerd. & Trappe) and the addition of composted sewage sludge on root nitrate reductase (NR, EC 1.6.6.1.) activity, mycorrhizal colonization, plant growth and nutrient uptake in Retama sphaerocarpa L. seedlings afforested in a semiarid, degraded Mediterranean soil under well-watered and non-watered conditions. Six months after planting, the mycorrhizal inoculation and the irrigation of plants had a strong effect on the growth parameters. The effect on plant growth was a negative interaction between plant irrigation and mycorrhizal inoculation and a positive interaction between plant irrigation and composted sewage sludge addition. The latter treatment had a significant, but moderate, effect on the growth but conferred no additional benefit when combined with mycorrhizal inoculation. Mycorrhizal inoculation, composted sewage sludge and irrigation had a significant effect on NR activity in roots and on foliar nutrients. The irrigation significantly increased the positive effect of composted sewage sludge on NR activity and the concentrations of foliar N and K. The effect of mycorrhizal inoculation on NR activity did not depend on the water regime. The effectiveness of mycorrhizal inoculation on the establishment and growth of R. sphaerocarpa seedlings in these Mediterranean conditions was independent of water regime. The addition of composted sewage sludge was only effective when soil water was freely available. The combination of mycorrhizal inoculation and composted sewage sludge addition had no synergistic effect on plant growth.
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  • 103
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    Oxford, UK : Blackwell Publishing Ltd
    Soil use and management 21 (2005), S. 0 
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. The effects of nitrogen fertilizer and tillage systems on soil organic carbon (SOC) storage have been tested in many field experiments worldwide. The published results of this research are here compiled for evaluation of the impact of management practices on carbon sequestration. Paired data from 137 sites with varying nitrogen rates and 161 sites with contrasting tillage systems were included. Nitrogen fertilizer increased SOC but only when crop residues were returned to the soil; a multiple regression model accounted for just over half the variance (R2=0.56, P=0.001). The model included as independent variables: cumulative nitrogen fertilizer rate; rainfall; temperature; soil texture; and a cropping intensity index, calculated as a combination of the number of crops per year and percentage of corn in the rotation. Carbon sequestration increased as more nitrogen was applied to the system, and as rainfall or cropping intensity increased. At sites with higher mean temperatures and also in fine textured soils, carbon sequestration decreased. When the carbon costs of production, transportation and application of fertilizer are subtracted from the carbon sequestration predicted by the model, it appears that nitrogen fertilizer-use in tropical regions results in no additional carbon sequestration, whereas in temperate climates, it appears to promote net carbon sequestration. No differences in SOC were found between reduced till (chisel, disc, and sweep till) and no-till, whereas conventional tillage (mouldboard plough, disc plough) was associated with less SOC. The accumulation of SOC under conservation tillage (reduced and no till) was an S-shape time dependent process, which reached a steady state after 25–30 years, but this relationship only accounted for 26% of the variance. Averaging out SOC differences in all the experiments under conservation tillage, there was an increase of 2.1 t C ha−1 over ploughing. However, when only those cases that had apparently reached equilibrium were included (all no till vs. conventional tillage comparisons from temperate regions), mean SOC increased by approximately 12 t C ha−1. This estimate is larger than others previously reported. Carbon sequestration under conservation tillage was not significantly related to climate, soil texture or rotation.
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  • 104
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    Oxford, UK : Blackwell Publishing Ltd
    Soil use and management 21 (2005), S. 0 
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. Over the last three decades there has been a great increase in the production of waste from urban, industrial and agricultural activity that could be recycled as a source of plant nutrients, and used to enhance soil quality. The use of these materials could partially offset the need for mineral fertilizers, giving both economic and environmental benefits. An incubation experiment was carried out using different organic waste materials applied to a Cambic Arenosol. Air-dried soil was mixed with increasing amounts of composted solid municipal waste, secondary pulp-mill sludge, hornmeal, poultry manure, solid phase from pig slurry, and composted pig manure, resulting in applications equivalent to 0, 40, 80, 120, 160 and 200 kg ha−1 of Kjeldahl nitrogen. The samples were incubated for 244 days under a controlled environment of 24 °C and 60% water holding capacity of the soil. The increasing amounts of waste applied always led to a greater amount of potentially available nitrogen present in the soil/waste mixture. Based on the proportion of their active N fraction, wastes were ranked: poultry manure〉hornmeal〉solid phase from pig slurry〉composted pig manure〉secondary pulp-mill sludge〉composted municipal solid waste. The results were well described by a one-pool exponential mineralization model, and mineral N formation was proportional to the quantity of waste applied. Of the wastes tested, those from animal sources showed greater nitrogen mineralisation. Nitrification was rapid, and concentrations of ammonium nitrogen remained relatively small.
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  • 105
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    Oxford, UK : Blackwell Publishing Ltd
    Soil use and management 21 (2005), S. 0 
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. Fertilizer and manure application rate and timing are often based on the optimal nitrogen rate and not on potassium (K) requirements. This can lead to excess or shortage of K depending on the crop and rotation. In grass-dominated agricultural production, including many organic farming systems, K has become a critical element, especially in areas dominated by coarse-textured or organic soils. In this paper we review K management in relation to long-term sustainability of both the soil resource and the production of crops of high yield and quality. One question for the future is whether we can adopt management options that favour efficient use of K and secure a sustainable future for global K reserves. For example, is it possible to enhance the release rate of K from soil mineral sources so that we require less fertilizer K from K-bearing salt deposits? A reduction in external K inputs requires improved on-farm recycling of K in order to reduce losses. We also need a better understanding of soil processes and soil–plant interactions and decision-support tools to predict the potential K release from mineral weathering. Certain areas dominated by young, clay-rich soils can potentially supply enough K, whereas other areas with coarse sandy or organic soils have a very low weathering potential and would thus need external inputs of K.
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  • 106
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    Oxford, UK : Blackwell Publishing Ltd
    Soil use and management 21 (2005), S. 0 
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. The intensity of animal production around the world has increased substantially during the last half-century, which has led to large problems with the disposal of manures and waste waters. The focus of this paper is on the development of national policies to improve the nutrient management of concentrated animal feeding operations (CAFOs), where nutrients are invariably in surplus. To create proper nutrient management strategies for CAFOs, and to avoid environmental problems when surplus nutrients enter air, soil and water, we need to know the number of animals/birds in the unit, the quantity of manure/slurry produced, how this material is stored and handled and how much land is available for manure spreading. In this paper, we discuss the development of nutrient management strategies for CAFOs in Europe and North America, and the voluntary measures and environmental regulations related to this. For the planning of nutrient management to be comprehensive and efficient, we need expertise from several disciplines. This planning includes development of: animal diets that reduce the amounts of excreted nutrients; efficient storage and land application technologies; land application programmes to optimize yields and reduce nutrient losses; and strategies for use of excess manure outside the farm. Also, large-scale efforts involving many stakeholders (farmers, governments and private industry) are needed to solve problems with nutrient imbalances over the long term. Efforts along these lines include manure relocation, alternative uses of manures, nutrient trading, and a general extensification of animal agriculture. The overall guiding principle for policies and planning should be a balance of nutrients, on farms as well as at larger scales.
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  • 107
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    Oxford, UK : Blackwell Publishing Ltd
    Soil use and management 21 (2005), S. 0 
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. Previous industrial and waste disposal activities and natural processes have led to elevated concentrations of harmful substances in soil. Risk-based land management requires the risk posed by such substances to be managed. Generic assessment criteria offer a simple and efficient but often over-cautious approach to human health risk assessment. Site-specific assessment criteria reduce over-conservatism but require extra time and effort to determine. Generic assessment criteria should represent contaminant concentrations below which there is no unacceptable risk to human health. Consistent definitions, application and interpretation are essential prerequisites for fostering and maintaining stakeholder confidence in risk-based land management.
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  • 108
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. The two approaches most commonly applied to characterizing the chemical form and ‘reactivity’ of metals in the soil solid phase are sequential extraction procedures (SEPs) and isotopic dilution (ID). The development and limitations of both approaches are described and their application to contaminated soils discussed. It may be argued that ID offers a better means of discriminating between ‘reactive’ and ‘inert’ forms of metal. However, the literature on SEPs is considerably larger, providing greater scope for comparative analysis of new data. Although ID methods are subject to operational constraints, the procedural dependency of SEPs is probably much greater. Thus greater effort has been expended to standardize and verify methodologies for SEPs. However, despite achieving a level of ‘political ratification’ at the procedural level, the use of SEPs within risk assessments for planning or development purposes is currently almost absent. The future for ID methods in this context may lie in site-specific risk assessments that include improved methods for the prediction of metal solubility and bioavailability.
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  • 109
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    Oxford, UK : Blackwell Publishing Ltd
    Soil use and management 21 (2005), S. 0 
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. Chemical analysis alone is inadequate for comprehensively assessing the impact of soil pollution on biota. The term bioavailability can only be applied in a context specific to a target biological receptor or a proven chemical surrogate. Integration of biological and chemical data can often yield significant advances in hazard assessment and act as a suitable baseline for making site-specific risk assessments. Here, the value of biological techniques is discussed and their application described. The relative merit of test selection is considered and the new direction being developed in sublethal assessments. Currently, however, one of the major limitations is the seeming lack of flexibility of many assays in that they are either applicable to agricultural systems or industrial scenarios, but rarely to both. As a consequence, few assays have internationally adopted protocols. The introduction of new methods and the continued improvement and refinement of assays make this area of soil science dynamic and responsive.
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  • 110
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. A current global trend towards intensification or specialization of agricultural enterprises has been accompanied by increasing public awareness of associated environmental consequences. Air and water pollution from losses of nutrients, such as nitrogen (N) and sulphur (S), are a major concern. Governments have initiated extensive regulatory frameworks, including various land use policies, in an attempt to control or reduce the losses. This paper presents an overview of critical input and loss processes affecting N and S for temperate climates, and provides some background to the discussion in subsequent papers evaluating specific farming systems. Management effects on potential gaseous and leaching losses, the lack of synchrony between supply of nutrients and plant demand, and options for optimizing the efficiency of N and S use are reviewed. Integration of inorganic and organic fertilizer inputs and the equitable re-distribution of nutrients from manure are discussed. The paper concludes by highlighting a need for innovative research that is also targeted to practical approaches for reducing N and S losses, and improving the overall synchrony between supply and demand.
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  • 111
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    Oxford, UK : Blackwell Publishing Ltd
    Soil use and management 21 (2005), S. 0 
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. Low input grazing-based meat production is often practised on land where alternative land use is restricted and where high biodiversity warrants specific environmental payments. Although these systems are characterized by low external nutrient inputs, significant nutrient losses may occur per unit of produce, even though losses per unit area are low. If the aim is to have animal production without further eutrophication of watercourses, these losses should be minimized,. However, if nutrient-poor grasslands characterized by high biodiversity are the aim, some losses must be accepted to balance nutrient inputs by atmospheric deposition. The impact of grazing animals on nutrient dynamics in grasslands is reviewed in this paper, and options to further improve nutrient management are discussed. It is concluded that nutrient management should largely be addressed indirectly through management of animal behaviour in relation to grazing and supplemental feeding, as well as through optimization of the seasonal distribution of livestock size. A case study indicated that N losses from a cattle farm could be reduced considerably by these means, while animal production could actually be improved. Sustainability issues and trends in legislative and social pressures on low input grazing-based systems of animal production are discussed in relation to nutrient management and practical recommendations.
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  • 112
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    Oxford, UK : Blackwell Publishing Ltd
    Soil use and management 21 (2005), S. 0 
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Book reviewed in this article: Below-ground interactions in tropical agroecosystems: concepts and models with multiple plant components. M. van Noordwijk, G. Cadish and C. K. Ong (Editors).
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  • 113
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    Oxford, UK : Blackwell Publishing Ltd
    Soil use and management 21 (2005), S. 0 
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Book reviewed in this article: Good statistical practice for natural resources research. By R.D. Stone, R. Coe, E.F. Allan and I.C. Dale (Editors).
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  • 114
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    Oxford, UK : Blackwell Publishing Ltd
    Soil use and management 21 (2005), S. 0 
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. A model of soil variability as a continuous background process with superimposed point contamination was applied to 569 measurements of metal concentrations (Cr, Ni and Pb) in the topsoils of Sheffield, England. Robust estimators of the variogram were shown to be required to describe spatial variation of the metal concentrations at most sampled locations. This is diagnostic of the presence of a contaminant process. Values of the standardized kriging error from the cross-validation of each datum were used to identify spatial outliers for each metal. The ordinary kriged estimates of Cr, Ni and Pb were mapped after removing the outliers to estimate the background variation. Each of the 35 spatial outliers that occured in gardens have concentrations exceeding their Soil Guideline Value for residential land use with plant uptake, highlighting a potentially significant exposure pathway. The frequent observation of coal and furnace waste at these sites suggests that their dispersal, following domestic use and industrial processes, respectively, represents a significant point contaminant process. There was no evidence for spatial clustering of the point process. However, the spatial outliers of Cr and Ni showed a significant association with disturbed sites identified from historical land use maps, in part due to their prevalence in areas of historical steel manufacture. The magnitude of diffuse pollution for each metal in the urban soil was estimated by removing the spatial outliers and comparing robust measures of location with those from a survey of soils developed over the same parent materials in adjacent rural and peri-urban environments. The Winsorized mean Pb concentrations in urban topsoil (203 mg kg−1) were twice the value in the rural environment (101 mg kg−1), highlighting a very substantial diffuse Pb load to urban soils. The equivalent estimated diffuse components in urban soils for Cr and Ni were, respectively, 25% and 14% higher than the rural soils.
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  • 115
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    Soil use and management 21 (2005), S. 0 
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. We investigated whether an insoluble polyacrylate polymer could be used to improve the quality of a copper-contaminated soil. Growth of annual medic (Medicago polymorpha L.) was stimulated in the polymer-amended soil, such that total biomass produced was three times that of plants from unamended soil. Roots of plants cultivated in the polymer-amended soil had a concentration of copper that was 73% of that in plants from the unamended soil. Biological N2 fixation was enhanced in the polymer-amended soil. Soil enzymatic activities at the end of the experiment were correlated with plant growth and copper concentration of plants grown in soils with different levels of copper, which were achieved by mixing the contaminated soil with varying proportions of a soil of low copper content. Shoot dry weight was positively correlated with acid phosphatase, β-glucosidase, β-galactosidase and urease, whereas copper concentration in the roots of the annual medic was negatively correlated with acid phosphatase, β-galactosidase, cellulase and urease. The results are consistent with soil remediation by the polyacrylate polymer. Soil quality as inferred from plant growth, biological N2 fixation and soil enzymatic activities improved as a result of the remediation process.
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  • 116
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    Oxford, UK : Blackwell Publishing Ltd
    Soil use and management 21 (2005), S. 0 
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. In Australia, stubble burning and tillage are two of the major processes responsible for the decline of soil organic carbon concentration in cropped soils, and the resulting soil degradation. However, the relative importance of these two practices in influencing the soil organic carbon concentration and the long-term impact on soil quality and productivity are not clear. The effects of stubble burning as practised by farmers in southeastern Australia were evaluated in two field trials, one of 19 years duration, the other of 5 years. Conventional tillage (three tillage passes) led to greater loss of soil organic carbon than stubble burning. Loss of total soil organic carbon attributed to stubble burning in the 0–10 cm layer was estimated to be 1.75 t C ha−1 over the period of the 19-year trial, equivalent to 29% of that lost due to tillage. In the 5-year trial, no change in soil organic carbon due to stubble burning was detectable. Changes in soil quality associated with stubble burning detected in the longer trial included a reduction in macro-aggregate stability, and increases in pH and exchangeable K+. Only the latter two were detected in the shorter trial. A higher mean wheat yield (average 0.15 t ha−1) following stubble burning was observed in the 19-year trial but not in the 5-year trial. Research to monitor the longer term effects of stubble burning is needed, and to identify conditions where loss of soil organic carbon is minimized.
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  • 117
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Use of stone bunds to enhance soil and water conservation was first introduced to Tigray, northern Ethiopia in 1981. This study was designed to examine the factors that control the effectiveness of bunds installed on cropland. Qualitative and quantitative assessments of soil loss and sediment accumulation were conducted on 202 plots at 12 representative sites in Dogu'a Tembien district. Mean annual soil loss from the foot of the bunds due to tillage erosion was estimated at 39kgm−1yr−1 or 20tha−1yr−1, a rate which decreased with increasing age of bund. The assessed mean annual soil loss rate by sheet and rill erosion in the absence of stone bunds is 57tha−1yr−1. The mean measured annual rate of sediment accumulation behind the stone bunds is 119kgm−1yr−1/sp or 59tha−1yr−1. The measurements show that the introduction of stone bunds to the region has led to a 68% reduction in annual soil loss due to water erosion. This reduction is due to the accumulation of sediment behind the stone bunds, which occurs faster in the early years after construction and decreases as the depression behind the bunds becomes filled with sediment. New stone bunds are particularly effective in trapping sediment in transport, but regular maintenance and increase in height of the bunds is necessary to maintain their effectiveness. The average USLE P factor for stone bunds in the study area is estimated to be 0.32.
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  • 118
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    Oxford, UK : Blackwell Publishing Ltd
    Soil use and management 21 (2005), S. 0 
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. Anecdotal and circumstantial evidence have suggested that the Olsen test underestimates plant-available phosphorus (P) in basaltic soils in Northern Ireland. Therefore, the ability of this test to predict plant-available P in basaltic (and non-basaltic) soils was investigated by regressing Olsen-P data against herbage P indices calculated from plant tissue test data using the diagnosis and recommendation integrated system. The average Olsen-P concentration for a range of fields situated on basaltic soils was considerably lower than the average Olsen-P concentration for a range of fields situated on non-basaltic soils, and yet mean sward P status, as given by the herbage P indices, was similar for both groups of fields. Herbage P indices were also much better correlated with Olsen-P measurements in non-basaltic soils than in basaltic soils. Furthermore, at low Olsen-P values (≶9mgPL−1) some swards on basaltic soils were genuinely deficient in P, while others were sufficient or even in surplus for this nutrient. The results confirm that Olsen-P is inadequate as a predictor of plant-available P in basaltic soils. It is concluded that an alternative soil test is needed to provide a reliable assessment of plant-available P in basaltic soils, to prevent overuse of fertilizer and manure P and to minimize the amounts of P entering local watercourses.
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  • 119
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    Soil use and management 21 (2005), S. 0 
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. Total concentrations of heavy metals in soils were measured before and after the catastrophic floods of 1997, which devastated most districts within the commune of Racibórz in southern Poland. The assays covered lead, zinc, cadmium, chromium, nickel and copper. Analyses on soil samples taken in 2002, after the floods, were compared with those of 1992, taken as part of regular monitoring. There was an increase in the mean concentrations of heavy metals as a consequence of the flooding. Only a small part of this increase may be due to changes in the method of analysis between the two dates. The mean concentrations of heavy metals after flooding did not exceed the permissible levels for Polish soils. Permission was therefore granted to continue using much of the flooded land for farming. However, the investigations located a number of places where heavy metals were above permissible levels. Some of these were a consequence of the floods, but others were considered to be due to contamination from previous industry. Where high concentrations were found, land was excluded from agricultural use.
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  • 120
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    Soil use and management 21 (2005), S. 0 
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. The favoured temperature range for soyabean seed germination is 25–30 °C and the crop is sensitive to water stress. In northern India, the crop is sown in the hot-dry months of May–June. Straw mulching can alter the soil's hydrothermal regime by lowering the temperature and reducing evaporation losses. A field experiment was conducted from 1999 to 2002 at the Research Farm of Punjab Agricultural University, Ludhiana on a loamy sand soil to evaluate the effect of wheat straw mulch on soil temperature, soyabean seed yield and crop growth. Maximum soil temperatures at sowing depth, recorded during the 1-month period after sowing (seed germination to seedling establishment stage), were high under no-mulch, ranging from 30.6 to 48.6 °C, while mulching substantially reduced these temperatures by 1.4 to 12.7 °C. Mulching increased soyabean seed yield by 4.4 to 68.3% in different cropping seasons; it also increased plant biomass by 17 to 122% and nodule mass by 8 to 220%. Leaf area index, chlorophyll content of leaves and number of pods per plant were all increased. Seed yield improvement under mulch was negatively correlated with rainfall distribution (number of rainy days) and amount during the whole cropping season. The percentage increase in seed yield with mulching was regressed against the total number of rainy days and total rainfall in millimetres in the cropping season. Thereby 93% of the variation in response to mulching in different cropping seasons was explained by the distribution and amount of rainfall.
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  • 121
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    Soil use and management 21 (2005), S. 0 
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Forecasting crop nitrogen (N) demand is important for maximizing productivity and minimizing losses to the environment, and includes taking into account residual effects. The residual N effect was estimated in a dairy crop rotation (spring barley undersown with grass-clover, first and second year ley, spring barleylpeas undersown with ryegrass, oats undersown with ryegrass and fodder beet) with different management (grazed or cut) and manure type (slurry or deep litter) by anaerobic incubation and plant N-uptake in a pot experiment and in the field. For comparison a 10-year-old grass-clover ley was included. Type of animal manure did not affect the residual N effect. Crop rotations with grazed grassland had a residual N effect that on average was 13% higher than the same rotation without grazing. Ploughing of grassland clearly increased residual N effects for several years, but age of grassland at ploughing was of little importance. Thus, the residual N effect of 10-year-old grass-clover ley only marginally exceeded that of undersown grass-clover, despite considerable difference in estimated N-surplus. The results indicate that organic N is easier to mineralize the more recently it has been formed. Good correlations existed between soil inorganic N in the spring, N released during anaerobic incubation, and plant-available N. However, chemical analyses may be difficult to implement in practical farming due to difficulty of achieving representative samples in systems characterized by huge spatial variability.
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  • 122
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    Soil use and management 21 (2005), S. 0 
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. Recent work has demonstrated that the Olsen test for phosphorus (P) is an unreliable predictor of plant-available P in soils derived from basalt parent material in Northern Ireland. The present study was conducted to develop a more reliable soil-P test for these soils by regressing P fractions removed from soil by various chemical extractants against herbage P indices calculated from plant tissue test data using a diagnosis and recommendation integrated system. The degree of P saturation of the soil P sorption capacity, based on ammonium oxalate extractable P, Al and Fe, provided a better prediction of P available to swards on basaltic soils than either the Olsen test or a number of other well-known soil-P test procedures. The superiority of the degree of P saturation test on basaltic soils was attributed to the fact that it simultaneously takes account of both P quantity and P buffering capacity factors in predicting P availability. The Olsen-P test, which accounts for the P quantity factor alone, was only reliable for non-basaltic soils. Re-classifying the P fertility status of basaltic soils according to the degree of P saturation test could result in considerably less P being recommended for these soils with possible consequential benefits to water quality.
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    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. A model of the impact of land management changes upon soil organic carbon (SOC) was constructed, and the total amount of topsoil organic carbon was estimated for the arable area of England from 1940 to 2000. The largest influence on the overall mean SOC in arable topsoils proved to be a decline in the area of both permanent and temporary grassland. SOC declined over a prolonged period (60 years), but has now reached a plateau. Modelling changes in mean values enabled a statistical evaluation to be made between a measured decline in the number of sites with ‘high’ SOC levels between 1980 and 1995, and the decline predicted by the model. The SOC content of arable soils in England was measured at National Soil Inventory sites twice in recent decades: in 1980 and 1995. The proportion of fine textured soils in the lowest SOC class (〈2.3%) rose from just over 40% to about 50% over the same period. There was a significant difference between the observed values of 1995 and those expected from modelling the decline from 1980 values, in the category of ‘low SOC’ fine textured soils. The variation in the fine textured soils represents a significant and widespread decline in topsoil organic carbon concentrations, which was greater than the underlying long-term trend.
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    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. The success of organic cropping systems depends on symbiotic N2 fixation by leguminous crops, and it is important to explore new management systems to improve the nitrogen input through N2 fixation. During two growing seasons the possible advantage of growing fababean (Vicia faba L.) in ridges was studied in comparison to the traditional method on flat soil. Differences in soil physical parameters resulted in a significantly greater microbial activity and a deeper root system at the flowering stage when grown in the ridge than on the flat. Consequently, the amount of fixed N at flowering was significantly greater in ridges than in flat soil. However, during the period from flowering until harvest, when the major part of the N uptake and N2 fixation took place, the differences between the treatments disappeared. Average values for the growing season of fluorescein diacetate hydrolysis, arylamidase activity and arylsulphatase activity were significantly greater in the ridge than on the flat, and the microbial biomass-C, derived from substrate induced respiration (SIR), was on average 232 and 223 μg C g−1 soil in the ridge and on the flat, respectively. Measured total-N uptake, including root N (0–30 cm depth), ranged from 206 to 247 kg N ha−1, of which 182–201 kg N ha−1 was fixed N. From 154 to 173 kg N ha−1 was removed in grain resulting in a soil-N balance of +28 kg N ha−1 in both years. However, by including estimates of total root N and rhizodeposition-N the soil-N balance ranged from +52 to +62 kg N ha−1.
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    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. Soil samples from a 32-year grassland field experiment were taken from 0–5, 5–10, and 10–15 cm soil depths in February 2002. Plots received annual treatments of unamended control, mineral fertilizer, three rates of pig slurry and three rates of cow slurry, each with six replicates. Samples were analysed for cation exchange capacity (CEC), exchangeable cations (Na+, K+, Ca2+, Mg2+), pH and Olsen P. Exchangeable sodium percentage (ESP) was calculated as a sodicity indicator. Mean ESP was generally greater for slurry treatments than the control, with a trend of increasing ESP with application rate. This was particularly marked for cow slurry. At 0–5 cm depth ESP increased from 1.18 in the control to 1.75 at the highest rate of pig slurry and 5.60 at the highest rate of cow slurry. Similar trends were shown for CEC, exchangeable Na+, K+ and Mg2+, Ca2+ and Olsen P. The build-up of soil P due to slurry applications, together with this combination of physical and chemical factors, may increase the risk of P loss to surface waters, particularly from soils receiving high rates of cow slurry.
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    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract This study tests relationships between, on the one hand, field-saturated infiltration rate into the uppermost sloping soil layer (Kfsi and field-saturated hydraulic conductivity in soil horizons (Kfsh) and, on the other hand, in situ determined macropore sizes in soil profile descriptions. It was carried out at six locations along a transect on a slope with loamy soils. The macropores were classified into representative size indices based on pore diameters (Ptd) and pore areas (Pta). A strong relationship was found between Kfsi and Pta, and between Kfsh and Ptd. The approach is promising and the methodology could be further developed with the aim of generalizing the functional relationships, so that Kfs can be estimated in areas where soil survey databases contain information on pore size abundance but lack Kfs values.
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    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. Hydraulic properties of soils after rice cropping are generally unfavourable for wheat cultivation. Poor drainage, delayed planting and oxygen stress in the root zone may adversely affect the wheat crop after lowland rice cultivation. We studied long-term effects of lantana (Lantana spp. L.) residue additions at 10, 20 and 30 t ha−1 yr−1 (fresh biomass) on physical properties of a silty clay loam soil under rice–wheat cropping in northwest India. At the end of ten cropping cycles, soil water retention, infiltration rate, saturated hydraulic conductivity and drying rate of soil increased significantly with lantana additions. The available water capacity (AWC), on volume basis, declined at rice harvest (from 22.0 to 18.8–20.9%), but increased at wheat harvest (from 12.9 to 13.4–15.0%) after lantana treatment. The volumes of water transmission (〉50 μm) and storage pores (0.5–50 μm) were greater, while the volume of residual pores (〈0.5 μm) was smaller in lantana-treated plots than in controls at both rice and wheat harvest. Infiltration rate in the lantana-treated soil was 1.6–7.9 times that of the control (61 mm d−1) at rice harvest, and 2–4.1 times that of the control (1879 mm d−1) at wheat harvest. Thus lantana addition improved soil hydraulic properties to the benefit of the wheat crop in a rice–wheat cropping sequence.
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    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
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    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. Sustainable management of nutrients in agricultural systems is critical for sufficient production of nutritious foods and to minimize environmental pollution. In this overview, we discuss some of the most important factors influencing nutrient cycling, and how practices for sustainable nutrient management can be optimized. In most cases, problems are associated with excessive use of nutrients (manures, other organic amendments, and inorganic fertilizers). Options for dealing with such problems at the farm level include: reducing nutrient inputs to balance exports, increasing the land area on which manures are applied, and export of excess nutrients from the farm in the form of value-added products. These strategies can be used singly, or in combination. Nutrients in the human food chain are often not recycled back to primary crop production. To manage such issues, and avoid regional nutrient accumulations, we need to develop a better understanding of large-scale nutrient flows, and develop policies to manage them. We stress the importance of scale when considering nutrient management in the future.
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    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. Sustainable nutrient management includes economizing on finite natural resources such as fossil energy and limited phosphorus (P) resources. Arable farms with exclusively crop production are characterized by large nutrient export in farm products. In the long term, nutrient export from soils and losses must be balanced by adequate inputs of fertilizers, biological N2 fixation or recycled products from the human food system. Critical issues associated in particular with arable systems discussed in this paper include organic matter depletion and lack of synchronization between nitrogen (N) release from organic N pools (such as plant residues and green manures) and crop demand, leading to N losses and/or N deficiency. Further critical issues identified include efficient use of indigenous soil P and applied P fertilizers and, especially in organic systems, risk of depletion of P and K, which if realized reduce soil fertility and limit production. The risk of enrichment of trace elements to levels toxic to soil microbes, plants, animals or man is also discussed. Suggested measures for managing these critical issues include choice of crop rotation, residue and green manure management.
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    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. This paper highlights the principal problems related to the recycling of municipal wastes to arable land and outlines future solutions. History reveals that transport of sewage with water was introduced early (2500 bc), but only some Asian societies, which did not utilize sewage flushing, redistributed toilet wastes to arable land effectively. Nutrient flow analyses in developed countries indicate a withdrawal of 20 kg N and 3 kg P ha−1 yr−1 from arable land because of non-return of organic human wastes. Limited reuse of municipal organic wastes in agriculture in several European countries is often seen as a question of waste quality. However, we believe that despite acceptable quality levels only minor progress in recycling has been achieved. Higher water contents in organic wastes than in harvested crops and, consequently, high costs for drying or transportation of wastes, often in combination with non-optimal plant nutrient composition, will remain the bottleneck which restricts the recycling of nutrients in wastes. One solution is to extract nutrients out of organic wastes and thereby derive concentrated compounds similar to those in inorganic fertilizers that can be redistributed and applied to soil. The challenge for modern sewage treatment systems is to shift perspective from removal to recovery of nutrients.
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    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. To establish strategies for sustainable nutrient management, the priority of each identified element for different user groups and the issue of data transferability from one scale to the next need to be addressed. This is important to avoid developing policies and strategies using inaccurate data. This paper provides a thorough background on such issues and provides data from specific case studies to reflect the impact of scale on the usability and transferability of data. These data show that using information obtained in a laboratory setting for larger scales can generate major errors. Data are also provided regarding the spatial variability in total N and total P measured at different sub-watersheds within a large watershed. Results from this case study indicate that there is a definite spatial variability in N and P loadings, which makes it difficult to transfer and extrapolate from data measured at one sub-watershed to the entire watershed. Therefore, it can be concluded that using either measured or simulated data obtained at a small scale to respond to questions for larger scales may be erroneous. Such difficulty may be due to the inherent spatial variability in soils, nutrients, biology and other features of the landscape.
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    Industrial relations journal 36 (2005), S. 0 
    ISSN: 1468-2338
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    Topics: Economics
    Notes: The French system of continuing vocational training was set up in 1970 by an intersectoral collective agreement that was then followed by legislation. More than 30 years on, the economic and social context has changed and the system now faces new challenges. In 2001 and again in 2003 the social partners embarked upon new negotiations in a bid to redesign the system. Analysis of the negotiation process and of its outcomes  reveals  both  the  persistence  of  societal  characteristics  and  the  emergence  of significant innovations, particularly in the individualisation of training. This dual trend is explained by the characteristics of the actors involved as well as by the weakness of the state.
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    Topics: Economics
    Notes: Books reviewed: Decentralised Pay Setting: A Study of the Outcomes of Collective Bargaining Reforms in the Civil Service in Australia, Sweden and the UK 
K. A. Bender and R. F. Elliott 
Ashgate, 2003, xii + 160 pp., £50.00 A Very Late Development: An Autobiography 
Alan Fox 
British Universities Industrial Relations Association, 2nd and revised edition, 2004, 306 pp., £8.00 (paperback) Unions in the 21st Century: An International Perspective 
Anil Verma and Thomas A. Kochan (eds) 
Palgrave Macmillan, 2004, 296 pp., £50.00 The Management of Human Resources in the Asia Pacific Region: Convergence Reconsidered 
Chris Rowley and John Benson (eds)
Cass (Studies in Asia Pacific Business), 2004, 208 pp., £18.99
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    Topics: Economics
    Notes: There has been a growing interest in the way patterns of employment relations are changing in China. However, there remains insufficient understanding in employment relations in small private businesses. This study of small businesses in China explores major issues in employment relations in these firms. The finding shows that there are major differences between large and small businesses in China in their employment practices and that considerable similarities exist between small firms in China and those in other countries.
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    Topics: Economics
    Notes: This article reports on the union recognition dispute that took place at the McDonald's food-processing plant in Moscow. It examines this dispute in the context of McDonald's employment practices worldwide, the interventions made by international and local unions, and Russian government bodies. Despite these interventions it became impossible to either organise the workforce or establish a collective agreement. The case illustrates the difficulties facing both local unions and global union federations when confronted by intransigent multinational companies, especially in low-skilled sectors in transitional economies.
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    Topics: Economics
    Notes: This paper is concerned with exploring the barriers to cross-border trade union cooperation among graphical workers in Europe. Highlighting the increasing globalisation of graphical multinationals, the paper illustrates that graphical unions cannot restrict their activities to developments within national boundaries. As such it highlights some of the obstacles that unions face in attempting to instigate transnational cooperation strategies. These obstacles include: the role of employers, the prevailing practices of the unions, employee reticence, the role of the law and resource constraints. It concludes by stressing the continuing need to strengthen cross-border trade union networks with the ability to impose effective sanctions against the unbridled growth of multinational power.
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    Topics: Economics
    Notes: Books reviewed:John T. Addison and Claus Schnabel (eds). International Handbook of Trade Unions
Reviewed by John KellyWalter Müller-Jentsch and Hansjörg Weitbrecht (eds). The Changing Contours of German Industrial Relations
Reviewed by Steve FrenchYonatan Reshef and Sandra Rastin. Unions in the Time of Revolution. Government Restructuring in Alberta and Ontario
Reviewed by Roy J. Adams
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    Topics: Economics
    Notes: A lower national minimum wage for 18- to 21-year-olds and the exclusion of all workers under 18 prompted fears of a distortion in the British labour market and an undermining of training initiatives. Empirical data collected from employers in two low paying sectors, revealing the full utilisation of young workers and under-utilisation of training initiatives, ensure these fears are not justified and that the government's basis for the lower rate cannot be substantiated.
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    International journal of selection and assessment 13 (2005), S. 0 
    ISSN: 1468-2389
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: In response to Schmidt, Le, and Ilies' (2003) call for further assessment of transient error variance in measures of key individual difference variables, the current study examines transient error estimates for eight speeded cognitive ability scales and a composite scale. One hundred twenty-three participants were tested on two occasions with a 1-week interval between administrations. Estimates of transient error ranged from a low of .01 to a high of .18, with an average value of .09. The coefficient of equivalence, based on the split-half method, resulted in overestimates of reliability by as little as 1.90% to as much as 25.96%, with an average 12.96%.
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    Topics: Economics
    Notes: The extraordinary growth in foreign direct investment coupled with the widespread declination of union penetration has increasingly allowed multinationals to pit unions across borders as competitors for investment and jobs. Based on a theoretical analysis of the exercise of power in a prisoner's dilemma game, the essential conditions and incentives for cooperation among unions across borders for the purpose of collective bargaining with multinationals are identified and practical, strategic-level implications for transnational interunion partnerships are addressed.
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    Topics: Economics
    Notes: This paper identifies the constraints and opportunities facing trade unions in post-socialist societies through a comparison of the Russian and Chinese cases. The paper charts the changing role of trade unions in the integration of state-socialist economies into global capitalism and argues that this presents the trade unions with a dilemma: whether to reconstitute their traditional role through collaboration with management and the state apparatus, or whether to develop their ability to defend the rights and interests of workers. While the former offers the line of least resistance, there are progressive elements pushing for change in both trade union movements.
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    International journal of selection and assessment 13 (2005), S. 0 
    ISSN: 1468-2389
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: Standardized tests are commonly used to select individuals in both pre-employment and educational settings. Nevertheless, research has yet to sufficiently explore the relationship between test anxiety (TA) and test performance in selection contexts. The goal of this study was to assess the dimensionality of TA, the relations between TA and test performance, and the impact of gender on TA within the realm of personnel selection. Test anxiety was found to be bi-dimensional and negatively related to performance on a cognitively based selection instrument. Gender moderated the relation between TA and test performance, with stronger associations for males. This finding is consistent with the sex-linked anxiety coping theory that is advanced here. Implications of this study and avenues for future research are discussed.
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    Topics: Economics
    Notes: A situational judgment test (SJT) and a Big 5 personality test were administered to 203 participants under instructions to respond honestly and to fake good using a within-subjects design. Participants indicated both the best and worst response (i.e., Knowledge) and the most likely and least likely response (i.e., Behavioral Tendency) to each situation. Faking effect size for the SJT Behavioral Tendency response format was (d=.34) when participants responded first under honest instructions and (d=.15) when they responded first under faking instructions. Those for the Big 5 dimensions ranged from d=.26 to d=1.0. For the Knowledge response format results were inconsistent. Honest condition Knowledge SJT scores were more highly correlated with cognitive ability (r=.56) than were Behavioral Tendency SJT scores (r=.38). Implications for researchers and practitioners are discussed.
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    Topics: Economics
    Notes: Applied psychologists have long been interested in the relationship between applicant personality and employment interview ratings. Analysis of data from two studies, one using a situational interview and one using a behavioral interview, suggests that the correlations of structured interview ratings with self-report measures of personality factors are generally rather low. Further, a small meta-analysis integrates these two studies and the limited previous literature to arrive at a similar conclusion – there is relatively little relationship between structured interviews and self-reported personality factors.
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    Topics: Economics
    Notes: In this study, we investigated the moderating role of interdependence (a personality trait that measures the extent to which individuals desire working in a group-based, cooperative setting) on the relationship between competitiveness and one-year objective sales performance. On the basis of data from 133 sales representatives, results indicated that: (a) competitiveness was related to objective sales performance; and (b) interdependence moderated the relationship between competitiveness and objective sales performance such that competitiveness predicted objective sales performance more strongly for those who scored low in interdependence versus those who scored high in interdependence. Implications for sales selection and reward systems and directions for future research are considered.
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    Topics: Economics
    Notes: Recruiters infer personal traits from job applicants' resumés and use these inferences in evaluating job applicants' employability. No research to date, however, has determined if resumé reviewers' inferences of applicants' personality drawn solely from resumé biographical data are valid. In the present study, resumé reviewers (N=52) examined one of two applicant resumés and then described the applicant's personality based on the Big 5 taxonomy. Validities of reviewers' inferences concerning applicant personality were assessed by correlating resumé reviewers' judgments with applicants' self-reported Big 5 personality scores. Results suggested that valid personality inferences are possible based solely on resumé evaluation. We also found evidence suggesting that attending a brief training session may enhance reviewers' accuracy when inferring applicants' personality from resumé information.
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    Topics: Economics
    Notes: Although there has been empirical attention paid to the criterion-related validity of predictor composites, there has been much less attention paid to the standardized ethnic group differences associated with these composites. One important area of inquiry in predictor composite research is the influence of adding predictors to a test of general mental ability. The limited empirical literature on this practice is mixed, but the prevailing expectation is that there is likely to be higher validity and less adverse impact. Unfortunately, much of the previous work is limited by the presence of inaccurate validity and standardized ethnic group difference values. In this analysis we formed meta-analytic matrices to more accurately estimate the validity and standardized ethnic group differences of several composites that combine a measure of cognitive ability with measures of conscientiousness, a structured interview, or biodata. While results were somewhat complex, we found that adding alternative predictors does not result in a situation in which validity automatically goes up and adverse impact potential automatically goes down. In fact, the reductions in adverse impact (if any) from adding “non-cognitive” predictors were more modest than much of the literature suggests.
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    Topics: Economics
    Notes: Although recruitment researchers often discuss influences on decisions to apply for jobs, few studies assess actual application behavior. This study of individuals who expressed an interest in a firefighter job revealed that applying was related to recruiting source informativeness and organizational familiarity. Source informativeness was not related to self-selection out of the process after application or performance on the selection process, but was related to perceptions of familiarity and to applicant demographics. Implications for recruitment are discussed.
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    Topics: Economics
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    Topics: Economics
    Notes: Critics and advocates of union–management partnership agreements offer competing assessments of the potential outcomes for workplace union representation. These include the attenuation of the role of lay activists and intra-union conflict. In this case study of Amicus-MSF at Legal & General partnership involved centralised decision making, membership loss and activist-leadership tensions, but these were temporary. With employer support the local union leadership ‘cultivated’ a cadre of pro-partnership activists with extended reach into management decision making, increasing membership and strengthening workplace organisation.
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    Notes: An international foundation for the promotion of basic research in biomedicine, the Boehringer Ingelheim Fonds (B.I.F.), reports that fellowships are awarded to post-graduate researchers according to the following main criteria: (1) scientific quality as demonstrated by the applicant's achievements to date, (2) the originality of the proposed research project, and (3) the scientific standing of the laboratory where the research will be conducted. Using the Boolean probit statistical technique, this study examines the multiple conjunctural causation that a fellowship will be awarded only if all three of these criteria are assessed positively by the B.I.F. peer review committee. In agreement with the prescriptive principles of the foundation the results suggest that the B.I.F. approves applications only if all of the three criteria are rated positively.
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    Notes: Empirical evidence suggests that private estates where land is managed as a multi-tenant property by a single private company with a continuing interest in the value of that property tend to be better run than estates that are subdivided into multiple parcels of separately managed land with the commons managed via some form of political decision-making. Public policy, particularly in the UK, has hindered the growth of successful multi-tenant private estates.
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    Notes: A number of reviews of the BBC and public service broadcasting have been conducted recently. The issues of public service broadcasting, the licence fee and the governance of the BBC are all interlinked. Contestability of funding for public service broadcasting is desirable. Funding of public service broadcasting should be overseen by a body that is independent of the BBC. The funding should come from a progressively reduced licence fee as the BBC moves to a subscription service.
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    Notes: This article discusses the achievements of Arthur Seldon as Editorial Director of the IEA in the context of the recently published Collected Works of Arthur Seldon.
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    Notes: The author points to the contrasting performance of the labour markets of Europe and the United States. He attributes the superior performance of the US to greater labour market flexibility and identifies the areas of unemployment insurance, employment protection and active labour market policies as especially significant. A key element in helping generate better policies is experimentation and decentralisation of decision-making, something favoured by the distinction between federal and state responsibilities in the US.
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    Notes: The precautionary principle - recently added to the French constitution and part of the draft Constitution of the European Union - aims to protect the public from the risks associated with scientific and technological advance by allowing governments to ban any activity deemed to involve risks, even if those risks are unproven. In reality, the precautionary principle itself poses enormous risks of losing the advantages of projects that are banned, of preventing the development of the means by which risk may be ameliorated and of threatening the private property rights that provide the most effective environmental safeguard.
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    Notes: In this essay I summarise recent evidence demonstrating that marriage is an institution of great social significance, one that offers economic and health benefits to married adults and similar benefits to their children. Many of these benefits can plausibly be ascribed to the changes in behaviour that ensue when men and women commit to one another in marriage.
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    Notes: This article argues that the first globalisation from the late 1840s to the First World War offers important lessons for the present era of globalisation. It is argued that the social and economic change created by the first globalisation led to increased protectionism and nationalism in France and Germany rather than the free-trade utopia envisaged by many liberal optimists. Contemporary optimists should be aware that globalisation and liberalisation are not inevitable processes; more and freer trade may induce a similar negative response from the short-term losers and those who fear a more dynamic and less predictable world.
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    Notes: The microfinance movement has gained tremendous popularity over the past 30 years, but it is still far from meeting its full potential. The industry stands at a crossroads between increased commercialisation and increased philanthropic aid. Standard economic discourse does little to resolve the debate. F. A. Hayek's concept of the‘extended order’ sheds new light on how we might understand the future development of microfinance.
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    Notes: Action by voluntary agencies to eradicate preventable diseases in Africa demonstrates how entrepreneurship can be combined with philanthropy to achieve results that are far more effective than traditional methods of distributing help through bureaucratic mechanisms.
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    Notes: Wherever taxi regulators cap the number of taxis, operating licences acquire economic value. In the UK, the Office of Fair Trading recommended legislative repeal of quantity caps, but the status quo continues. This article argues that licence values send an important signal to taxi regulators.
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    Notes: Immigration into the UK has increased in response to high labour demand in the recent past. This additional supply of labour has helped keep interest rates lower, and growth higher, than they might have been otherwise. The longer-term impact of higher immigration may be an increase in trend productivity growth. Although the evidence on such long-term economic effects is incomplete, there is no reason to believe market principles - or fundamental freedoms - are any less relevant when it comes to flows of people rather than goods or capital.
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    Notes: Optimal pricing delivers not only a self-funding infrastructure but also the additional revenues to reduce economically damaging taxes on capital, labour and final consumption. For the transport sector, this result has now been established by a concerted international research effort. Optimising prices across all modes of transport will ensure the efficient use of existing infrastructure, provide the informational base to optimise investment decisions and generate revenues in excess of both current infrastructure costs and the costs of justified investments.
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    Notes: The Equal Treatment Directive, which will come into force on 21 December 2007, aims to outlaw‘discrimination’ between men and women in the calculation of insurance premiums, is founded upon a fallacious understanding of the nature of actuarial calculations and the morality of‘discriminatory’ calculations where state provision of insurance has traditionally been ‘non-discriminatory’. The Equal Treatment Directive will have perverse consequences contrary to the aims of its creators - benefiting the better-off at the expense of the poor and, in some circumstances, men at the expense of women - and will also threaten the private provision of pensions and healthcare essential to solving the looming pensions and healthcare funding crisis among EU member states.
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    Notes: Hong Kong has used a system of planning by consent that predates planning by edict. By selling long leases on a contractual basis, the government has an incentive to provide the contractual terms, obligations and rights to the leaseholder that maximise the value of the land. This system has been effective in generating fiscal revenue and producing good planning outcomes in a resource-poor economy.
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    Notes: This article sets out an approach to land-use planning involving the exchange of rights under performance zoning - the setting of performance standards in land use such as the protection of property owners from adverse impacts resulting from the use of nearby land. Performance zoning offers high levels of flexibility to landowners to pursue different uses of their property within the limits of agreed standards and reduces the role of bureaucratic and political processes in the implementation of planning regulations.
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    Notes: Most central banks follow either an implicit or explicit inflation target. Many leading economists promote an active role for central banks in pursuit of that target. In this article it is shown how that strategy does not necessarily lead to a neutral monetary policy and, therefore, to the smooth working of markets in the long run. Accordingly, it proposes a nominal income rule that removes monetary disturbances from the economy.
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    Notes: The authors discuss the reasons for the employment of children in developing economies and analyse the appropriateness of regulation in this controversial area. The political economy of enforcement of child labour legislation is also examined. In most cases, they argue, domestic policies to address the underlying causes of child labour are better suited to improve children's lot than regulations; in particular, trade sanctions may be counterproductive
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    Notes: At the 2005 General Election the Labour Party won an overall majority of Parliamentary seats but won the votes of less than a quarter of the electorate. Such an outcome may raise concerns about the democratic legitimacy of the government. The introduction of the Null MP electoral system would solve this ‘legitimation crisis’: every abstention would be counted as a vote for a Null candidate, who, if elected in the usual first-past-the-post way, would be assumed to vote against all legislation introduced by the government. Very different outcomes would have resulted had this electoral system been in place at the last two General Elections.
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    Notes: This article examines the history of fire protection in London from the Great Fire of 1666 to the present and argues that many of the popular perceptions of market failure in the provision of fire protection that are repeated in standard economics textbooks are in fact myths. In reality, fire protection began in the private sector and only transferred to the public sector when insurance companies faced the prospect of collecting escalating premiums from their clients. To this day, voluntary and private provision in parts of the USA is a model of how fire protection can be provided more cheaply and more effectively outside the public sector.
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    Notes: Through the 1990s hundreds of credit unions were established to serve indebted communities throughout Britain. These volunteer-run financial co-operatives did not meet growth expectations because of restrictive legislation, inadequate development models and well-intentioned but unproductive state intervention. British credit unions are more successful when they develop as market-oriented social enterprises able to build effective partnerships with banks, government and the private sector to serve low-income communities.
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    Notes: Trade liberalisation has played a critical role in advancing peace and prosperity. Differences on agriculture have been the major impediment to a future multilateral trade round. The recent agreement on agriculture at the WTO meetings in Geneva may signal a breakthrough in that sector. This article analyses the benefits of recent trade agreements and examines the prospects for future ones. It also presents an alternative framework for advancing trade, the Global Free Trade Association.
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    Notes: Competition maximises consumer satisfaction but creates a financial problem for enterprises. When prices are competed down to just cover marginal costs, part of the value added by the enterprise is externalised. Government has not been efficient at recycling that value back into the economy, which is why infrastructure is severely underfunded.
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    Notes: Book reviews in this article:AGAINST LEVIATHAN: GOVERNMENT POWER AND A FREE SOCIETY Robert HiggsTHE BUSINESS OF VIRTUE Clive WrightHUMAN WELL-BEING AND THE NATURAL ENVIRONMENT Partha DasguptaTHE BUSINESS OF VIRTUE Clive WrightTHE WOMAN AND THE DYNAMO: ISABEL PATERSON AND THE IDEA OF AMERICA Stephen CoxA CRITICAL ANALYSIS OF THE CONTRIBUTIONS OF NOTABLE BLACK ECONOMISTS Kojo A. QuarteyBLAIR Anthony Seldon
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    Topics: Geography
    Notes: This article discusses the relevance of the work of Pierre Gourou for Vietnamese and non-Vietnamese scholarship on colonial and postcolonial rural society in Vietnam. The term “tropicality” is used to situate Gourou's work within the framework of both French and Vietnamese regimes of truth. It is argued that Gourou was aware of the complex human geographies of the tropics and monsoon Asia and the challenges this posed to both Western and “tropical” peoples. Gourou and the issue of tropicality is used to show that Vietnamese scholars did not completely reject French colonial systems of knowledge, and that decolonisation did not herald a complete shift in knowledge about rural Vietnam. Rather, since the 1940s there has been antagonism and accommodation between colonial and postcolonial, French and Vietnamese modes of knowledge production. While Gourou underscored the otherness of the tropics, and there are colonial overtones in his work, he had an immense influence on indigenous ethnography and geography in Vietnam and elsewhere in the formerly colonised world. The article traces this important influence and how it has been both questioned and affirmed since independence in the Vietnamese context. It is suggested that the humanistic approach that Gourou pioneered in his 1936 study of the Red River Delta of northern Vietnam has outlived and been able to overcome the setbacks and drawbacks of both colonial and revolutionary/Vietnamese politico-intellectual projects.
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    Notes: Despite recent interest in sacred (fetish) groves as remnant forests, few studies have investigated their sustainability and conservation role in West Africa. This article employs a Geographical Information Systems (GIS) analysis of time series images (1960-98), comprehensive social surveys and ecological field methods to evaluate four sacred groves and eight unprotected tree stands in the coastal savanna of Ghana and compare these with vegetation in the distant forested hinterland. There were strong similarities and substantial differences in tree species between different sacred groves, and between these and the unprotected stands and proximate deciduous forests. In addition, far fewer tree losses were documented in the sacred groves than in the local unprotected stands. Although these sacred groves were on average only partially representative of deciduous forest vegetation, their stronger sustainability compared with unprotected tree stands may be important to consider in detail for conservation.
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    Notes: In important respects, the disciplinary field of “tropical geography” is a uniquely French field of study, and Pierre Gourou is conventionally seen as its founder and doyen. Yet Gourou did not see himself as the creator of a new paradigm or research school, and geographers were generally more influenced by his writings than by his teaching or any personal connection. With particular reference to French geographical research in and on tropical Africa during the second half of the twentieth century, it is suggested that the development of tropical geography as a subfield - and tropicalism as a research orientation - can be put down to a variety of factors and circumstances. Geographical research on Africa was pivotal, as was the rise to prominence in French research institutes of some of Gourou's disciples. But African academics also played a part, as did criticism of tropical geography for its marginalisation of issues of development and geopolitics. The paper examines this postwar intellectual history and attempts to draw from it a positive and forward looking legacy - a reinvigorated and interdisciplinary “tropicalism”, the main axis of which would be the analysis of the specific characteristics of tropical ecology, and its use and transformation by the societies that live from it. Such a project may help us to confront the contemporary world ecological crisis, and forge critical research projects on globalisation (altermondialisme) that can discern and deal with the complex local-global, and rural-urban, articulations of this phenomenon.
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    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography
    Notes: This paper focuses on the large-scale land use and land cover changes that have taken place in Sarawak state, East Malaysia over the three decades of 1972-2002. Results are presented from a detailed land use and cover change (LUCC) study in the Niah River catchment using satellite imagery, questionnaire surveys and interviews. Successive waves of land cover changes have taken place. Large forest areas have been logged and gradually replaced by oil palm plantations, which now occupy more than 40 per cent of the total land area in the catchment. Concurrently, small-scale farming systems have also changed. Formerly dominant Iban shifting cultivation practices are increasingly being replaced by cash crop production on permanent fields and impacted by off-farm activities involving many ethnic groups. It is argued that land cover changes are continuous and complex processes involving a large number of variables which can be analysed for different time periods at various scales.
    Type of Medium: Electronic Resource
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