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Nitrogen fixation in nine common bean (Phaseolus vulgaris L.) lines was estimated using the 15N isotope dilution method at two locations in two seasons. In the first season at one location no N2 fixation was detected while in the second season up to 51 kg N ha?1 were estimated. There were signifi...


Kipe-Nolt, Judith A.Vargas, H.Giller, Ken E.[Nitrogen fixation in breeding lines of Phaseolus vulgaris L.]Nitrogen fixation in breeding lines of Phaseolus vulgaris L.

Six Rhizobium leguminosarum bv. phaseoli strains (Ciat 151, Ciat 895, Ciat 899, CE3, H2C, Kim5s) were tested for nodule occupancy in different bean cultivars at two field sites (one fertile, one acid tropical soil) and in the greenhouse. The effects of several environmental factors such as low pH...


Wolff, ABStreit, WKipe-Nolt, Judith A.Vargas, H.Werner, D[Competitiveness of Rhizobium leguminosarum bv. phaseoli strains in relation to environmental stress and plant defense mechanisms]Competitiveness of Rhizobium leguminosarum bv. phaseoli strains in relation to environmental stress and plant defense mechanisms

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