Alley farming in the humid and subhumid tropic :  proceedings of an international workshop held at Ibadar, Nigeria,10-14 March 1986 / 
editors B.T. Kang and L. Reynolds 
 - Ottawa :  International Development Research Centre,  1989 
 - 251 p. ;  25 cm. 
<br/><br/><label>ISBN: </label>0889365407 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Research--On-farm--Nigeria--Congresses