Simpson, Ken. <br/><br/>
Fertilizers and manures 

 - London :  Longman,  1986 
 - 253 p.  : ilus. 
 - Longman handbooks in agriculure .
 - Longman handbooks in agriculure .
<br/><br/> 31-211 
<br/><br/><label>LCCN: </label>68814 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abonos.<br/>Fertilizantes.
<br/><br/><label>Dewey Class. No.: </label>631.8  / S5