Corbeels, Marc <br/><br/>
Farmers' knowledge of soil fertility and local management strategies in Tigray, Ethiopia 

 - London  Drylands programme  2000 
 - ii,23p.  24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil fertility
<br/><br/><label>LC Class. No.: </label>EAF PAM S590.6.C67 No.10