Thompson,Louis M. <br/><br/>
Soils and soil fertility 

 - 2nd 
 - New York  McGraw Hill Co,  1957 
 - 451 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil Science
<br/><br/><label>Dewey Class. No.: </label>631.4  / T37S