Elwell, H. A. <br/><br/>
A rapid method for estimating the dry mass of soil from erosion plots 

 - Salisbury, Rhodesia :  Departament of Conservation and Extension,  1978? 
 - 18 p.  : gráfs. 
 - Research bulletin  ; 20 .
 - Research bulletin  ; 20 .
<br/><br/><label>LCCN: </label>33268 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Erosión.