Defoer, Toon <br/><br/>
Managing soil fertility in the tropics: a resource guide for participatory learning and action research. 
edited by Toon Defoer and Arnoud Budelman. 
 - Amsterdam  Royal Tropical Institute  2000 
 - vols. : ill., maps  ;  + 1 CD-ROM (4 3/4 in.) 
<br/><br/> Accompanied by a CD-ROM 
<br/><br/><label>ISBN: </label>9068321285 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SUSTAINABLE AGRICULTURE--TROPICS<br/>Soil fertility - Tropics<br/>SOIL FERTILITY--RESEARCH<br/>SOILS<br/>Fertilizers - Tropics<br/>Soil management - Tropics
<br/><br/><label>LC Class. No.: </label>S 633 Man