Proceedings; soil science society of America :  may-june 1973 / 
Soil science society of America  
 - number 3 volume 37  
 - Colorado :  Soil science society of America,   1973 
 - various pages   Illustrations,graphs and tables 
<br/><br/><br/>In English.  
<br/><br/> Pbk.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>science
<br/><br/><label>Dewey Class. No.: </label>630.2 SOI 1973 V-37#3