Summary proceedings of a workshop on cereal yield variability / 
edited by Peter B.R. Hazell. 
 - Washington, D.C. :  International Food Policy Research Institute,  1986. 
 - xi, 277 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0896293068 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grain--Yields<br/>Crop yields