Singh, Phool. <br/><br/>
Modeling crop production systems :  principles and application / 
/by Phool Singh. 
 - Enfield, NH :  Science Publishers,  2008. 
 - xix, 512 p. :  grafs. ; cuadros. 
<br/><br/><label>ISBN: </label>1578084180 
<br/><br/><label>LCCN: </label>95323 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultura--Modelos matematicos.<br/>Cultivos.<br/>Modelos matemáticos.<br/>Sistemas de cultivo.
<br/><br/><label>Dewey Class. No.: </label>631.5  / S64