Defoer, Toon <br/><br/>
Managing soil fertility in the tropics: building common knowledge: participatory learning and action research 

 - FAO  Rome  2000 
 - 207 P.  Includes Index 
<br/><br/><label>ISBN: </label>9068321285 
<br/><br/><label>Subjects--Topical Terms: </label><br/>managing soil fertility 
<br/><br/><label>LC Class. No.: </label>FAO S 633.5  / T76M36 2000