Bockman, Oluf Chr <br/><br/>
Agriculture and fertilizers:   Fertilizers in perspective  

 - Norway:   Norsk Hydro,   1990 
 - 245p.  
<br/><br/><label>ISBN: </label>82-90861-01-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture 
<br/><br/><label>Subjects--Index Terms: </label>Feed  Nutrients  
<br/><br/><label>Universal Decimal Class. No.: </label>631.8   / N0