x  Havlin, John L <br/><br/>
Soil fertility and fertilizers  x 

 - 6th 
 - New Jersey  Prentice Hall  1991 
 - x, 499p 
<br/><br/>Includes 
<br/><br/><label>ISBN: </label>0136268064 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers Soil fertility 
<br/><br/><label>Dewey Class. No.: </label>631.81/S683