Exploitation of physiological and genetic variability to enhance crop productivity / 
edited by James E. Harper, Lawrence E. Schrader and Robert W. Howell 
 - Rockville, Md. :  American Society of Plant Physiologists,  1985 
 - 91 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0943088062 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grain--Physiology--Congresses<br/>Grain--Genetics--Congresses<br/>Grain--Breeding--Congresses<br/>Crop yields--Congresses<br/>Legumes--Physiology--Congresses