Advances in agronomy 
edited by Donald L. Sparks 
 - Amsterdam ; San Diego  Elsevier, Elsevier / Academic Press  2007 
 - xi, 395 p. : ill.. : ill. ; 24 cm 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9780123739872 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agronomy.<br/>Crops.<br/>Soil management.
<br/><br/><label>Dewey Class. No.: </label>630.72 SPA.93