TY  - BOOK
AU  - Symposium the International Institute of Tropical Agriculture (1975,Ibadan, Nigeria)  
AU  - Ayanaba, A.;Dart, P.J.
TI  - Biological nitrogen fixation in farming systems of the tropics: paper presented at a Symposium held at the International Institute of Tropical Agriculture, Ibadan, Nigeria, in Oct. 1975
SN  - 0471994995
PY  - 1977///
CY  - Chichester
PB  - John Wiley
KW  - Agriculture--Tropics--Congresses Nitrogen--Fixation--Congresses
ER  -