Gupta, P.K. <br/><br/>
Hand book of soil, fertilizer and manure / 
P.K. Gupta. 
 - 1st ed. 
 - New Delhi :  Botanica Agro,  1999 
 - 431 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>818716722 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil mechanics
<br/><br/><label>Dewey Class. No.: </label>631.8  / GUS