Soil science :  Society of America / 
Soil science Society of America 
 - SSSJD4 42(2) 221-378 (1978) Volume 42 
 - Chicago:  Soil Science, Society of America  1978 
 - 544 pages:  illustrations; 
<br/><br/> March-April 
<br/><br/><br/>In English. 
<br/><br/> Pbk. 
<br/><br/><label>Dewey Class. No.: </label>P630.2P PRO 1978