Cropping strategies for efficient use of water and nitrogen / 
editor W. L. Hargrove 
 - Madison :  American Society of Agronomy,  1988 
 - xvii, 218 pages :  illustrations ;  23 cm 
 - ASA special Publication ;  Number 51 .
 - ASA special Publication ;  Number 51 .
<br/><br/> Includes chart 
<br/><br/><label>ISBN: </label>0891180974 (paperback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cropping systems<br/>Crops and water<br/>Crops and nitrogen
<br/><br/><label>LC Class. No.: </label>S602.5 C76