Symposium the International Institute of Tropical Agriculture (1975,Ibadan, Nigeria)   <br/><br/>
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  (Book) 

 - Chichester  John Wiley  1977 
 - 377 p.  23 cm. 
<br/><br/><label>ISBN: </label>0471994995 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Tropics--Congresses Nitrogen--Fixation--Congresses
<br/><br/><label>Universal Decimal Class. No.: </label>631.461.5:061.3 BIO  / 4201