Thompson, Louis M. <br/><br/>
soils and soils fertility 

 - New York  McGraw-Hill Book    1952 
 - xi, 339 
<br/><br/><label>Subjects--Topical Terms: </label><br/>  Agriculture<br/>  Soils<br/>  Fertility
<br/><br/><label>Dewey Class. No.: </label>631.4  / T468s