No-tillage agriculture, principles and practices / 
edited by Ronald E. Phillips, Shirley H. Phillips. 
 - New York :  Van Nostrand Reinhold,  c1984. 
 - xii, 306 p. :  ill. 
<br/><br/><label>ISBN: </label>0442277318 
<br/><br/><label>LCCN: </label>91035104     
<br/><br/><label>Subjects--Topical Terms: </label><br/>No-tillage.