Advances in Agronomy:   Volume 85 / 
Donald L Sparks 
 - London :  Elsevier academic press,  c2005 
 - x, 446 p. :     	  ill. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 353-359. 
<br/><br/><label>ISBN: </label>8170411777 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agronomy
<br/><br/><label>Dewey Class. No.: </label>630  / ADV 2005