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

 -  Longman Group UK,  1986 
<br/><br/><label>ISBN: </label>058244747X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers<br/>Manures
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Fertilizers, manures, soil conditioners
<br/><br/><label>Dewey Class. No.: </label>631.8