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While symbiotic nitrogen (N2) fixation by G. max and P. vulgaris reduces their need for combined N, N2 fixation under field conditions is rarely maximized. This paper reviews constraints to N2 fixation in these species, then examines the genetic variability recorded for traits affecting N2 fixati...


Graham, Peter H.Temple, Steven R.[Selection for improved nitrogen fixation in Glycine max (L.) Merr. and Phaseolus vulgaris L.]Selection for improved nitrogen fixation in Glycine max (L.) Merr. and Phaseolus vulgaris L.

The survival of Rhizobium trifolii (strain CIAT 61) in three carriers was studied. The rhizobial cells did not survive in "cachaza" (a froth obtained when sugar cane juice is boiled in refineries). The survival in peat and coal was good, at least until 120 days after the inoculation. Coal seems t...


Munévar Martínez, FernandoGraham, Peter H.[Supervivencia de Rhizobium trifolii en tres portadores]Supervivencia de Rhizobium trifolii en tres portadores

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