Jones, Ulysses S. <br/><br/>
Fertilizers and soil fertility 
Ulysses S. Jones 
 - 2nd edition 
 - Reston, Virginia  Reston Publishing  1982 
 - 421p. 25cm. 
<br/><br/><label>ISBN: </label>0835919625 
<br/><br/><label>LCCN: </label>81-8656 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers and manures<br/>Soil fertility