Moisture utilization in semi arid tropics  : summer rainfall agriculture (MUSAT: sra) Project. 

 - Boston :  G. K. Hall,  1977. 
 - xxxiii,401p.  : ill.  ; 28cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dry farming<br/>Tropics<br/>West Africa,
<br/><br/><label>LC Class. No.: </label>QTO Z5074.D8M64