Guidelines for the control of soil degradation. 

 - Nairobi :    United Nations Environment Programme,    1983. 
 - 38 p. :    ill. ;    30 cm. 
<br/><br/>  Prepared in consultation with the Land and Water Development Divisio n, FAO and the Environment Management Service, UNEP. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Soil degradation