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  • 1
    Electronic Resource
    Electronic Resource
    Growth of Vicia faba as affected by inoculation with vesicular-arbuscular mycorrhizae and Rhizobium leguminosarum bv. viceae in two soils (1994)
    Springer
    Biology and fertility of soils 17 (1994), S. 27-31 
    Details
    ISSN: 1432-0789
    Keywords: Rhizobia ; Reclamation ; VAM ; N2 fixation ; Calcareous soil ; Vicia faba ; Infection
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Desert areas of Egypt are rapidly being planted with faba beans (Vicia faba) to increase the production of this economically important legume. Since indigenous populations of rhizobia or vesicular-arbuscular (VA) mycorrhizae are absent or low in this soil, the objective of the current study was to determine whether inoculation with several strains of Rhizobium leguminosarum bv. vicae and VA mycorrhizae could successfully increase the growth of faba beans. Growth was compared to that in a fertile silt loam soil from the Nile River Valley. The effect of rock phosphate and superphosphate on the faba bean was also examined. The growth of faba beans was increased by dual inoculation with VA mycorrhizae and rhizobia, to a much greater extent than can be attributed to either inoculum on a singular basis. Rhizobium leguminosarum bv. Viceae USDA strain 102 F84 was the most effective of the rhizobial strains examined. Growth, plant nutrient content, nodulation, and root colonization were invariably greater in the silt loam soil than the calcareous soil. The addition of rock or superphosphate to soil enhanced these parameters in the calcareous soil, but less than that observed in the silt loam soil. These results demonstrate that the growth of faba beans can be increased in calcareous desert soils by inoculation with rhizobia and VA mycorrhizae. However, the growth remained inferior to that observed in the fertile Nile River Valley soil.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00418668
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Effect of seed inoculation, mycorrhizal infection and organic amendment on wheat growth (1986)
    Springer
    Plant and soil 90 (1986), S. 373-382 
    Details
    ISSN: 1573-5036
    Keywords: Azospirillum ; Azotobacter ; Calcium nitrate ; Garbage compost ; Indigenous mycorrhiza ; Nitrogenase activity ; Rhizosphere ; Superphosphate ; Wheat growth
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The effect of seed inoculation withAzotobacter spp. orAzospirillum spp., and garbage amendment (0.5%), on the growth of wheat was studied in a field experiment under sub-tropical conditions. Two levels of N fertilizer were applied, the usual field rate (150 kg N ha−1) and half this amount. Tillering of plants, dry matter contents and nitrogenase activity were determined 30, 60 and 90 days after sowing. At the end of the experimental period, spore numbers and percentage of mycorrhizal infection were observed in the rhizosphere and root systems of plants. Straw and grain yields were also determined. The results of this study showed that seed inoculation and/or organic amendment stimulated plant growth, nitrogenase activity and mycorrhizal infection. This was more noticeable withAzotobacter than withAzospirillum. Inoculation withAzotobacter together with 1/2 N dose and organic amendment was the most effective application (19.75 and 10.70 t ha−1 were recorded for straw and grain yield, respectively).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02277409
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Report of the work group on cereal and grain crops (1982)
    Springer
    Plant and soil 67 (1982), S. 399-402 
    Details
    ISSN: 1573-5036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Conclusions 1. Nitrogen balance studies are of considerable importance for predicting and understanding changes in the crop nitrogen cycle that take place as a result of different agronomic practices. 2. Too few detailed N-balance studies have been made of arable crops in Latin America. 3. Much useful information can be obtained by carrying out studies at different degrees of detail. Ideally,15N should be used for these studies, but we recognize that such experiments can be carried out at only a few sites because of economic limitations. We believe that considerable progress can nevertheless be made by using conventional methods of analysis to measure simultaneously at various sites major inputs and outputs of nitrogen and changes in soil organic-N (to the depth of rooting) over a number of years.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02182788
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Longevity of Azotobacter (1966)
    Springer
    Plant and soil 24 (1966), S. 325-327 
    Details
    ISSN: 1573-5036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02232910
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    Paper (German National Licenses)
    Fulltext
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