Lockhart, J.A.R. <br/><br/>
Introduction to crop husbandry/ 
J.A.R. Lockhart, A.J.L. Wiseman 
 - 3rd ed. 
 - Oxford:  Pergamon Press,  r 1976 
 - xv, 316 p.;  22 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0080181155  $ 16.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cropping systems<br/>Crops<br/>Field corps<br/>Agricultural pests--Control
<br/><br/><label>Dewey Class. No.: </label>633