TY - SER AU - Rodrigues,J.L.M. AU - Melloto,M. AU - Oliveira,J.T.de A. AU - Silveira,J.A.G.da TI - Efficiency of soybean nodules in relation to nodulin activities and hydrogenase expression KW - Soja KW - Rhizobium KW - Carboxilase KW - Nitrogenase KW - Nodulo KW - Hidrogenacao ER -