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  • Articles  (12)
  • Rice  (8)
  • Liming  (6)
  • Springer  (12)
  • 1980-1984  (12)
  • 1981  (12)
  • Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition  (12)
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  • Articles  (12)
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Keywords
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  • Springer  (12)
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  • 1980-1984  (12)
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Topic
  • Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition  (12)
  • 1
    Electronic Resource
    Electronic Resource
    Differential response of six cowpea (Vigna unguiculata (L.) Walp) cultivars to liming in an ultisol (1981)
    Springer
    Plant and soil 59 (1981), S. 61-73 
    Details
    ISSN: 1573-5036
    Keywords: Acetylen reduction assay ; Aluminium toxicity ; Chemical composition ; Cowpea ; Cultivar tolerance to soil acidity ; Liming ; Nitrogen deficiency ; Nitrogenase activity ; Nodulation ; Relative dry matter yields ; Soil acidity ; Ultisol ; Lime-induced yield depression
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The differential response of six cowpea (Vigna unguiculata (L.) Walp) cultivars to liming was assessed in a greenhouse trial using an Ultisol (Typic Paleudult) from southeastern Nigeria. Lime rates from 0 to 5.0 t/ha were applied to give a range of soil pH, determined in 1∶1 soil/water from 4.25 to about 7.0. Without liming, relative dry matter yields of tops ranged between 46.6 and 76.8 percent. Significant yield responses to the first lime increment (0.5 t/ha) were observed particularly in the less tolerant cultivars and maximum yields were generally obtained with application of 1.6 to 2.5 t/ha lime. Among the six cultivars, TVu 4557 and Ife Brown were most tolerant, Vita-1 and Vita-3 were moderately tolerant, and TVu 1977-OD and TVu 4552 were least tolerant to soil acidity. The latter two cultivars were the most poorly nodulated when grown in the unlimed soil. The first lime increment enabled excellent nodulation to be achieved in all cultivars. Nitrogen analyses on tops confirmed the visual symptoms of nitrogen deficiency in two cultivars (Vita-1, TVu 1977-OD) grown in the unlimed soil. Analysis of data on chemical composition of plant tops and chemical soil characteristics gave indications that aluminium toxicity is the major growth limiting factor for cowpeas in this soil. This study, albeit with a limited range of cowpea germplasm clearly indicates that cowpea possesses considerable potential as a grain legume on strongly acid soils (pH〈5.0), even in circumstances where lime is not available. Low rates of lime (0.5 t/ha or less) will greatly expand the available choice of cultivars.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02183592
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  • 2
    Electronic Resource
    Electronic Resource
    The effect of nitrogen fertilizer on N2 fixation in the paddy field measured byin situ acetylene reduction assay (1981)
    Springer
    Plant and soil 59 (1981), S. 135-139 
    Details
    ISSN: 1573-5036
    Keywords: Acetylene reduction assay ; Effect of N fertilizer ; N2 fixation ; Rice
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Unfertilized and NPK-fertilized plots in the long term fertility trial at Los Baños, Philippines were used to observe the effect of nitrogen fertilizer on heterotrophic N2-fixing activities in plow layer soil and in association with wetland rice. The activities were measured in the field byin situ acetylene reduction assays. Acetylene reduction activity of the plow layer soil in the paddy field was measured by soil cores. No appreciable difference was found-between fertilized and unfertilized plots.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02183599
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  • 3
    Electronic Resource
    Electronic Resource
    Effect of phosphorus and zinc on the growth and phosphorus, zinc, copper, iron and manganese nutrition of rice (1981)
    Springer
    Plant and soil 59 (1981), S. 415-425 
    Details
    ISSN: 1573-5036
    Keywords: Rice ; Zinc-phosphorus interaction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary A greenhouse experiment was conducted to study the effect of phosphorus and zinc application, in three lowland alluvial rice soils (Haplustalf) on the growth of rice and the concentration of phosphorus, zinc, copper, iron and manganese in shoots and roots. The results showed that application of phosphorus and zinc significantly increased the dry matter yield of shoots, grains and roots. Application of phosphorus caused a decrease in the concentration of zinc, copper, iron and manganese both in shoots and roots. Application of zinc also similarly lowered the concentration of phosphorus, copper and iron, but increased that of manganese in shoots and roots. The decrease in the concentration of the elements in the shoots was not due to dilution effect or to the reduced rate of translocation of the elements from the roots to tops. This has been attributed more to the changes in the availability of the elements in soil resulting from the application of phosphorus and zinc.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02184546
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  • 4
    Electronic Resource
    Electronic Resource
    Alfalffa,Medicago sativa L., in highly weathered, acid soils (1981)
    Springer
    Plant and soil 60 (1981), S. 205-211 
    Details
    ISSN: 1573-5036
    Keywords: Acetylene reduction ; Acid soil ; K application ; Liming ; N2-fixation ; Nodulation ; P application ; Rhizobium meliloti ; Root dry weight ; Shoot dry weight
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Alfalfa plants,Medicago sativa L., were selected from the Florida 66 cultivar for vigor in an acid (pH 4.4, Al≥.4 meq/100 g) and a limed, fertilized (pH 6.5, Al=0 meq/100 g, P and K added) Cecil topsoil. The selected plants were intermated by selection condition to achieve two germplasms, acid selected (A-1) and limed, fertile selected (L-1). ARhizobium meliloti strain (79-4s) was isolated from a high acetylene reducing nodule from a plant in a similar acid soil. The germplasms and the Rhizobium strain were then tested in greenhouse pots for agronomic performance under a variety of soil pH and fertility conditions. The 79-4s inoculum, as well as commercially prepared inoculum, gave better plant yield and acetylene reduction (N2-fixation) at all harvests when compared to a sterile peat control, but the commercial inoculum was the best inoculum treatment. The A-1 germplasm produced higher shoot dry weight at the final harvest than did the L-1 germplasm at all soil pH’s when P and K were applied at the highest rates. The A-1 germplasm also had better root weight (mainly fibrous roots) and acetylene reduction in these soil conditions. The two germplasms appear to be genetically distinct and respond differently depending on soil pH and fertility conditions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02374105
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  • 5
    Electronic Resource
    Electronic Resource
    Effect of nitrogen and zinc on the yield of submerged rice and uptake of N and Zn on unlimed and limed soils (1981)
    Springer
    Plant and soil 62 (1981), S. 183-192 
    Details
    ISSN: 1573-5036
    Keywords: Liming ; Nitrogen ; Rice ; Submerged rice ; Zinc
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The effect of N and Zn on the yield of submerged rice and uptake of N and Zn was studied on limed and unlimed soils in greenhouse. Nitrogen was applied at the rate of 0,80 and 160 ppm through urea, ammonium sulphate and ammonium nitrate, Zn at 0 and 10 ppm in limed (4% CaCO3) and unlimed soils. Liming (4% CaCO3) decreased dry matter yield of rice at tillering, heading and straw and grain at maturity significantly against unlimed treatments. Ammonium sulphate gave highest yield with all applied doses followed by ammonium nitrate and urea. Zinc at 10 ppm increased dry matter and grain yield significantly over no Zn treatment in rice. The N sources gave N concentration and uptake in rice plants in decreasing order: $$Ammonium sulphate 〉 Ammonium nitrate 〉 Urea.$$ The highest N concentration was recorded with 160 ppm followed by 80 ppm N through any source and lowest in control. The application of Zn increased and liming decreased N concentration and uptake by rice at all sampling stages. Highest N concentration (2.37 to 3.92%) was observed at tillering followed at heading (0.48 to 1.05%). At maturity N in grain ranged from 0.69 to 1.13% whereas in straw from 0.24 to 0.41%. There were positive significant interactions of N(S) x N(L), N(S) and N(L) x Zn and negative interaction with lime on yield, N concentration (%) and N uptake (mg/pot). The application of N sources and levels and Zn increased Zn uptake (μg/pot), and liming decreased it. But 160 ppm N through any source decreased straw Zn concentration over 80 ppm N in absence of added Zn, however, effects on grain were not so strong particularly that of 160 ppm, when 10 ppm Zn was also added even 160 ppm N increased Zn concentration over 80 ppm significantly in both straw and grain. In this case the effect of N sources on Zn concentration was in the order: $$Ammonium sulphate 〉 Urea 〉 Ammonium nitrate.$$
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02374083
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  • 6
    Electronic Resource
    Electronic Resource
    Effect of zinc, phosphorus and nitrogen on tryptophan concentration in rice grains grown on limed and unlimed soils (1981)
    Springer
    Plant and soil 62 (1981), S. 305-308 
    Details
    ISSN: 1573-5036
    Keywords: Liming ; Nitrogen ; Phosphorus ; Rice ; Tryptophan ; Zinc
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The effects of Zn, P, N and CaCO3 on tryptophan concentration in rice grain were studied in greenhouse at Haryana Agricultural University. Zinc application upto 20 ppm increased tryptophan concentration in rice grain. Zn-EDTA gave highest increase followed by ZnSO4 and then ZnO. Liming at the rate of 4 and 8 per cent decreased tryptophan concentration significantly. Phosphorus application upto 100 ppm also decreased tryptophan significantly but Zn in combination with P increased tryptophan and overcame negative effect of P. Nitrogen application upto 120 ppm increased tryptophan concentration. There was positive interaction between Zn and N. Ammonium sulphate gave highest tryptophan followed by ammonium nitrate and then urea. The tryptophan concentration ranged between 766 ppm and 2011 ppm in paddy grain. The lowest tryptophan concentration was in the plants treated with 8 per cent lime in absence of added Zn and highest with 10 ppm Zn through Zn-EDTA.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02374094
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  • 7
    Electronic Resource
    Electronic Resource
    Utility of some nitrogen-fixing microorganisms in the phyllosphere of crop plants (1981)
    Springer
    Plant and soil 63 (1981), S. 465-476 
    Details
    ISSN: 1573-5036
    Keywords: Aphanothece ; Beijerinckia ; Klebsiella ; Mycobacterium ; N2-fixation ; Phyllosphere ; Rice ; Streptomyces
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The utility of spraying some known N2-fixing microorganisms on rice leaves grown both in N-less sand culture and under field conditions was examined. The effect was compared with that of spraying a phyllosphere N2-fixing isolate of Klebsiella, KUPBR2, and application of nitrogenous fertilizers. All the growth parameters studied including dry weight and N-content were enhanced. Under field conditions number of tillers was increased by 26% withKlebsiella pneumoniae M5al and by 65% with Aphanothece. The dry weight of the plants was enhanced by 61–119%. The yield per 10 m2 was almost doubled with Aphanothece, Beijerinckia 8007,Mycobacterium flavum, K. pneumoniae M5al and KUPBR2. The increases observed withStreptomyces sp. G12 though less spectacular was significant at 1% level with respect to several growth parameters.K. pneumoniae M5al,M. flavum andStreptomyces sp. G12 exhibited nitrogenase activity both in laboratory culture and in association with rice plants.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02370046
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  • 8
    Electronic Resource
    Electronic Resource
    Effect of water table depth and tillage methods on plant-water status and yield of rice (1981)
    Springer
    Plant and soil 59 (1981), S. 17-22 
    Details
    ISSN: 1573-5036
    Keywords: Drainage ; Drought tolerance ; Evapotranspiration ; Leaf-water potential ; Lysimeter ; Rice ; Root development ; Soil-moisture regime ; Transpiration ; Varietal response
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Effects of water table depths on plant-water status, and on growth and yields of two rice varieties (TOS 78 and TOS 848) were studied in a lysimetric investigation. A field study was also conducted on a hydromorphic soil to investigate the effects of fluctuating water table on rice. The leaf-water potential of TOS 78 monitored at 1300 hours at 50% flowering stage was −17.5 and −23.0 bars for 0 and 60 cm water table depths, respectively. When grown under soil moisture stress, TOS 848 maintained higher leaf-water potential (−17.5 barvs −22.5 bar) and yielded more than TOS 78. Under hydromorphic soil conditions, no-tillage treatments yielded the same as conventionally tilled plots.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02183588
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  • 9
    Electronic Resource
    Electronic Resource
    Alfalfa,Medicago sativa L., in highly weathered, acid soils (1981)
    Springer
    Plant and soil 59 (1981), S. 455-463 
    Details
    ISSN: 1573-5036
    Keywords: Acetylene reduction ; Acid soil ; Al uptake ; Liming ; N uptake ; Nodulation ; P application ; Plant persistence ; Root dry weight ; Seed germination ; Shoot dry weight
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The effect of lime and P application on yield (top and root weigh), nodulation, intervally collected acetylene reduction (N2-fixation), and N and Al uptake of young alfalfa (46 days growth) were investigated in greenhouse pots containing acid Bladen or Bradson topsoils. The effect on seed germination and seedling persistence under these greenhouse conditions was also recorded. Alfalfa yield and acetylene reduction increased with lime and P additions in both soils, but, predominately, with P. There was no advantage of increasing these two parameters with liming past pH 6.0 provided P was adequate. Positive relationships (R2) existed between yield and acetylene reduction, and with both factors and root weight, nodule weight, and N uptake. Increased uptake of Al by alfalfa seedlings depressed yield, but data indicate P may block Al uptake at high soil pH. There were no treatment effects on seed germination, but P application increased plant persistence in the Bladen soil.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02184549
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  • 10
    Electronic Resource
    Electronic Resource
    Studies on the nature of relationships between grain size, spikelet number, grain yield and spikelet filling in late duration varieties of rice (Oryza sativa L.) (1981)
    Springer
    Plant and soil 60 (1981), S. 123-130 
    Details
    ISSN: 1573-5036
    Keywords: Grain number ; Grain size ; Productivity ; Rate of grain growth ; Rice ; Spikelet filling
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Studies on the nature of relationship between grain size (in terms of thousand grain weight), grain number, rate of filling and yield have been worked out with late duration (140–150 days) rice varieties. Grain number per m2, grains per panicle and yield showed a negative relationship with grain size. There was no compensatory balance between grain size and grain number within a range of thousand grain weight of 15 to 30 g. Based on the peaks in grain filling activity, the varieties were classified into four groups. There was no relationship between grain size and rate of grain filling thereby suggesting that grain filling is determined by inherent endogenous factors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02377117
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  • 11
    Electronic Resource
    Electronic Resource
    Dilute hydrochloric acid as an extractant for available zinc, copper and boron in rice soils (1981)
    Springer
    Plant and soil 61 (1981), S. 297-310 
    Details
    ISSN: 1573-5036
    Keywords: Boron toxicity ; Copper and zinc deficiencies ; Critical limits ; Dilute hydrochloric acid extraction ; Flooded soils ; Rice ; Soil tests
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Because zinc deficiency is a widespread disorder of wetland rice and copper deficiency may occur with it, 0.05M HCl was compared with 0.1M HCl, EDTA and DTPA as an extractant for available zinc and copper. It was also compared with the reflux method for boron assay. Thirty-three wetland rice soils were analyzed for zinc and copper by the four methods. Rice was grown on the flooded soils, scored visually for zinc deficiency, and the plants analyzed for zinc and copper content. In the boron study, 53 soils were extracted by the reflux method and the 0.05M HCl procedure. Rice was grown on the flooded soils, scored visually for boron toxicity, and the plants analyzed for boron content. Fourteen of the 16 soils on which rice showed zinc deficiency gave 〈1.0 mg/kg Zn by the 0.05M HCl method but values far in excess of the critical limits by the other methods. The r values for available and plant zinc were: 0.05M HCl (0.88**); 0.1M HCl (0.55**); EDTA (0.43**); and DTPA (0.31ns). Twelve of the zinc-deficient soils gave〈0.1 mg/kg Cu by the 0.05M HCl method but values exceeding the critical limits by the EDTA and DTPA methods. The r values for available and plant copper were: 0.05M HCl (0.74**), 0.1M HCl (0.64**), EDTA (0.28ns), and DTPA (0.20ns). The critical limit of 1.0 mg/kg by the 0.05M HCl extraction was confirmed for zinc deficiency and a tentative value of 0.1 mg/kg for copper deficiency proposed. The 0.05M HCl method separated boron-toxic soils from non-toxic soils and gave a better correlation (r=0.91**) between available and plant boron than the reflux extraction (r=0.84**). The toxic limit by the 0.05M HCl method was provisionally set at 4 mg/kg.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02182011
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  • 12
    Electronic Resource
    Electronic Resource
    The effect of level of CaCO3, inoculation and lime pelleting on the nodulation and growth of beans in five acid soils (1981)
    Springer
    Plant and soil 62 (1981), S. 53-63 
    Details
    ISSN: 1573-5036
    Keywords: Acid soils ; Common beans ; Inoculation ; Liming ; Lime pelleting ; Nodulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The effect of level of CaCO3, inoculation and lime pelleting on the nodulation, dry matter yield and % N content of common bean plants (Phaseolus vulgaris) grown in five acid soils was investigated in a greenhouse study. The soils represented a range in pH from 3.9 to 5.1, in exchangeable Al from 0.0 to 4 meq/100 gm, in exchangeable Mn from 0.35 to 2.32 me/100 gm, and in %C from 0.69 to 5.60. Nodule weight decreased with increasing %C and for the soil with highest %C (5.60) no nodules were observed. In soils with low organic matter and low exchangeable Al and Mn, inoculation increased nodule weight, dry matter yield and %N especially at the lowest pH level. Where the seeds were not inoculated, nodule weight and dry matter yield increased with soil pH. No such increases were observed where the seeds were inoculated. There was no apparent advantage in lime pelleting in such soils. In soils with low organic matter content and with substantial amounts of Al and/or Mn, liming increased nodule weight and dry matter yield, and decreased exchangeable Al and/or Mn. Lime pelleting was superior to mere inoculation in increasing nodule weight particularly at low lime rates. In soils with relatively high organic matter content, nodulation was very low or none at all. Low lime rates had little effect on exchangeable Al and Ca and dry matter yield. Higher lime rates, however, decreased exchangeable Al and dry matter yield but increased exchangeable Ca.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02205025
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