Mulongoy, K. Gueye, M. Spencer, D.S.C.
Biological nitrogen fixation and sustainability of tropical agriculture: proceedings - New York, N.Y. (EUA) John Willey 1992 - 488 p.
1067 ref. Sum. (En)
Biological nitrogen fixation and sustainability of tropical agriculture: proceedings - New York, N.Y. (EUA) John Willey 1992 - 488 p.
1067 ref. Sum. (En)