Rossi, C. Crocomo, O.J. Gutierrez, L.E. Assimilacao do nitrogenio nitrico e amoniacal em raizes de feijoeiro (Phaseolus vulgaris, L. cv. carioca) Assimilation of N-nitrate and ammonia by bean roots (Phaseolus vulgaris, L. cv. carioca) Subjects--Topical Terms: FEIJAONITROGENIOAMONIARAIZABSORCAO