TY  - BOOK
AU  - Ayanaba,A.
AU  - Dart,P.J.
ED  - International Institute of Tropical Agriculture. 
TI  - Biological nitrogen fixation in farming systems of the tropics
SN  - 0-471-99499-5
PY  - 1977///
CY  - Chichester, NY
PB  - Wiley
KW  - Agricultura
KW  - Conferencias
KW  - FijaciÃ³n del nitrÃ³geno
KW  - Zona tropical
KW  - Texto
N1  - "Based on papers presented at a Symposium held at the International Institute of Tropical Agriculture, Ibadan, Nigeria, in October 1975; BibliografÃ­a al final de capÃ­tulos
ER  -