Dobereiner, J. De-Polli, H. Nitrogen fixing rhizocoenoses [fixacao de nitrogenio, bacteria, Rhizobium] - Londrina, PR (Brasil): 1981. Russel, R.S.; Igue, K.; Mehta, Y.R. (eds.)The soil/root system in relation to Brasilian agricultureLondrina, PR (Brasil): 1981. p. 175-198(BR8106049-AM)F21 Subjects--Topical Terms: FIXACAO SIMBIOTICA DE NITROGENIOBACTERIARHIZOBIUMNITROGENIO