Riley, James J. <br/><br/>
Increasing crop productivity in Western Sudan :    results of select ed agronomic trials /  
James J. Riley. 
 - Khartoum :    WSARP,    1985. 
 - 192 p. :    ill. ;    28 cm. 
 - WSARP publication ;    no. 37 .
<br/><br/><label>Subjects--Topical Terms: </label><br/> Crop yields.<br/> Agricultural productivity
<br/><br/><label>Dewey Class. No.: </label>AF Q 338.16 RIL