Bear, Firman E. <br/><br/>
Soils In Relation To Crop Growth 

 - New York  Reinhold Publishing  Corp.  1965 
 - iii, 297p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>J:1
<br/><br/><label>Dewey Class. No.: </label>J:1  / J5