Worthen, edmund L <br/><br/>
Farm soils  their fertilization and mamgement 

 - 5th ed 
 - New York  Jhon wiley&sons inc  1956 
 - 439 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Farm soil-management
<br/><br/><label>Dewey Class. No.: </label>631.4  / W89F