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  • Wiley  (49)
  • Blackwell Publishing Ltd  (37)
  • American Geophysical Union  (13)
  • 1970-1974  (64)
  • 1960-1964  (35)
  • 1
    Electronic Resource
    Electronic Resource
    THE EFFECT OF TIME AND RATE OF N APPLICATION ON THE PRODUCTIVITY OF GRASS SWARDS IN TWO ENVIRONMENTS (1971)
    Oxford, UK : Blackwell Publishing Ltd
    Grass and forage science 26 (1971), S. 0 
    Details
    ISSN: 1365-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Six identical experiments (3 in Devon and 3 in Suffolk) investigated the effect of 200, 300 and 400 lb N/ac (224, 336 and 448 kg/ha), given in 1, 2, 4 or 8 equal applications, on the yield and seasonal production of perennial ryegrass swards cut every 25 days.Each rate of N Increased DM and N yields. Giving the N in 4 or 8 dressings gave higher DM, bnt rather lower N yields, than applying the N in 1 or 2 dressings. The effect on DM yield of splitting the N was most marked at 400 lb NJac (448 kgJha). Seasonal production was closely related to the time of N application and most uniform where N was given in 8 dressings.Differences between Devon and Suffolk were most evident where the N was given in 4 or 8 dressings and occurred in the second half of the season when the low rainfall in Suffolk apparently restricted N uptake and DM yield. The efficiency with which N taken up by the plant was used for DM production was affected by sunshine. It is concluded that rainfall and sunshine will limit the extent to which fertilizer N can he used to control herbage production.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2494.1971.tb00653.x
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  • 2
    Electronic Resource
    Electronic Resource
    FERTILIZER N AND THE YIELD OF CUT GRASS SWARDS IN EASTERN ENGLAND (1971)
    Oxford, UK : Blackwell Publishing Ltd
    Grass and forage science 26 (1971), S. 0 
    Details
    ISSN: 1365-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Single spring dressings of N were compared with split applications over the first two growth periods of the year at ten sites in eastern England in the period 1964–67. None of the four spring periods was unusually dry and the single application of N in spring did not outyield a similar total N rate applied some before and some after the first cut. At nine out of ten sites split applications of N yielded considerably more in the second growth period than the single spring dressing. It is concluded that the split applications of N in the spring, already shown superior to single dressings under moist west country conditions, are correct for many seasons in the drier east of England.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2494.1971.tb00628.x
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  • 3
    Electronic Resource
    Electronic Resource
    THE SIMULATION OF ANIMAL RETURNS IN GRASSLAND EXPERIMENTATION (1970)
    Oxford, UK : Blackwell Publishing Ltd
    Grass and forage science 25 (1970), S. 0 
    Details
    ISSN: 1365-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: An experiment was carried out on a grass/white-clover sward at North Wyke to evaluate the use of mixtures of inorganic and organic nutrient sources to simulate the nutrient effect of animal excreta, both with and without overall PK fertilizer. Grazing with sheep and the return of excreta from caged sheep both increased herbage yields, as did artificial return treatments. Artificial return treatments giving 75% of the nutrient level returned by excreta gave yields comparable with grazing. The effect of the simulated return treatments was not influenced by PK application. Grazing gave a very different botanical composition to that from the treatments in wbich natural or simulated excreta were returned to cut swards.Mixtures simulating excreta may replace the nutrient effect of the grazing animal, but not its physical effect, in some forms of grassland experimentation. They are not recommended for fertilizer trials.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2494.1970.tb01200.x
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  • 4
    Electronic Resource
    Electronic Resource
    THE EFFECT OF STAGE OF GROWTH AT DEFOLIATION ON WHITE CLOVER IN MIXED SWARDS (1970)
    Oxford, UK : Blackwell Publishing Ltd
    Grass and forage science 25 (1970), S. 0 
    Details
    ISSN: 1365-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Four experiments are described in which various defoliation methods and frequencies were imposed on grass/white-clover swards. Clover was not reduced in any of these hy increasing the length of growth period or hy cutting at a late stage of growth, but intensive sheep grazing reduced clover compared nitb cutting and taking a silage cut in a grazing sequence improved clover yield.These results do not support the contention that cutting a mixed sward for hay or silage suppresses clover because of competition for light: with a ‘big white’ type of clover infrequent defoliation may cause no more shading than frequent. Alternatively, any additional shading may be compensated for by an increase in clover growth, stimulated hy the longer growth period.It is suggested that, in practice, competition for nutrients and moisture also contrihute towards clover suppression when swards are cut for hay or silage.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2494.1970.tb01095.x
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  • 5
    Electronic Resource
    Electronic Resource
    Patterns of white-collar unionization in the steel industry (1972)
    Oxford, UK : Blackwell Publishing Ltd
    Industrial relations journal 3 (1972), S. 0 
    Details
    ISSN: 1468-2338
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: In the steel industry the influence of the employers and the steel workers' unions has probably played a more significant role in defining the direction and growth of white-collar unionism than the attitudes of the white-collar workers themselves.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1468-2338.1972.tb00105.x
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  • 6
    Electronic Resource
    Electronic Resource
    EXPERIMENTAL ANIMAL STUDIES OF ORAL TISSUE RESPONSES TO NUTRITIONAL AND METABOLIC VARIABLES (1960)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 85 (1960), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1960.tb49948.x
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  • 7
    Electronic Resource
    Electronic Resource
    CHEMICAL ROUTES TO COENZYME B12 AND ANALOGUES (1964)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 112 (1964), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1964.tb45032.x
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  • 8
    Electronic Resource
    Electronic Resource
    The Separation of Eggs of Erioischia brassicae and E. floralis in Swede Crops (1972)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 21 (1972), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Eggs collected from around the base of cultivated cruciferous crops in north-east Scotland were hatched on suitable media contained in petri dishes, or on plants grown in pots in an outdoor insectary. Breeding in petri dishes was more successful.It was found that Erioischia brassicae(Bouche), the cabbage root fly, and E. floralis(Fall.), the turnip root fly, occur together in swede crops, but only E. brassicae in crops of cabbage and cauliflower. Despite the eggs of both species overlapping in size and the chorion patterns being indistingtiishable, plotting mean egg sizes over short consecutive periods showed that the main egg-laying period of E. floralis was during August and September.The measurements of eggs collected before and after 1 August, when plotted on arithmetical probability paper, indicated an appreciable difference in the average size of eggs laid in the two periods, but only at those sites where both species were found.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1972.tb01714.x
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  • 9
    Electronic Resource
    Electronic Resource
    Dry core in canning potatoes (1971)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 20 (1971), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1971.tb00522.x
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  • 10
    Electronic Resource
    Electronic Resource
    SEDIMENTATION IN THE ICE-CONTACT ENVIRONMENT, WITH EXAMPLES FROM SHROPSHIRE (ENGLAND) (1972)
    Oxford, UK : Blackwell Publishing Ltd
    Sedimentology 18 (1972), S. 0 
    Details
    ISSN: 1365-3091
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Glacial sedimentation is assigned to two environments, the pro-glacial and the ice-contact. This paper is concerned with sedimentation in the ice-contact environment. The sub-drift topography of the area of study and the direction of ice movement are shown to be conducive to ice stagnation which is necessary for widespread ice-contact sedimentation. Ridges of glacigenic sediment show faulted, collapsed margins and lateral kettle holes characteristic of ice-contact landforms. The internal structure of these ridges is analysed in terms of primary and secondary sedimentary structure and texture. The spatial distribution of sedimentary structure and texture is shown to be similar to the fluvial models of Allen (1964) and Visher (1965). The absence of lateral extension of the fluvial members is interpreted as being due to stream training by ice walls preventing lateral migration. Large thicknesses of horizontal stratification and strongly unimodal palaeocurrent estimates are believed to be a result of this low sinuosity. Primary sedimentary structure and texture are used to designate facies. The distribution of the facies is thought to be diagnostic of the ice-contact environment. Downstream facies migration is thought to have occurred as a result of changes in the ratio of sediment supply to stream power.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3091.1972.tb00002.x
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