No-Tillage Agriculture  principles and practices 
edited by Ronald E. Philips, Shirley H. Phillips 
 - New York  Van Nostrand Reinhold Company  1984 
 - xii, 306 p.; 24 cm. 
<br/><br/><label>ISBN: </label>0442277318 
<br/><br/><label>LCCN: </label>83-5827 
<br/><br/><label>Subjects--Topical Terms: </label><br/>No--tillage