Stoskopf, Neal C.,  <br/><br/>
Understanding crop production / 
Neal C. Stoskopf 
 - Virginia :  Reston Publishing,  1981 
 - xiv, 433 pages :  illustrations ;  24 cm 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0835980278 (hardback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants, cultivated<br/>Agriculture
<br/><br/><label>LC Class. No.: </label>S9B1 S76