Morris, Michael et al <br/><br/>
Fertilizer use in african agriculture; lessons learned and good practice guidelines 

 - Null  Nil  2007 
 - viii; 144 Includes CD 
<br/><br/><label>ISBN: </label>0-8213-6880-x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural Economics