Jacob, A <br/><br/>
Fertilizer use:   Nutrition and manuring of tropical crops  

 - 2nd ed.  
 - 617p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture 
<br/><br/><label>Subjects--Index Terms: </label>Plant  Nutrients  
<br/><br/><label>Universal Decimal Class. No.: </label>631.8   / K0