Couper, D.C <br/><br/>
Use of contour banks for soil conservation 

 - Ibadan  IITA  1991 
 - 24p.; ill.;  pbk 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil Conservation<br/>Contour farming 
<br/><br/><label>LC Class. No.: </label>S623.C3 1991