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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.

Nitrogen deficiency severely limits production of the bean maize association grown by small-scale farmers in upland Peru. Sixty-four bean Rhizobium isolates were evaluated for induction of a plant growth response in pots of soil from the area and 14 of the most promising strains of these were tes...


Pineda, PKipe-Nolt, Judith A.Rojas Alvarado, E[Rhizobium inoculation increases of bean and maize yields in intercrops on farms in the Peruvian Sierra]Rhizobium inoculation increases of bean and maize yields in intercrops on farms in the Peruvian Sierra

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