Worthen, Edmund L <br/><br/>
Farm Soil: Theirmanagement and Fertilization 

 - New York  John Wiley and Sons  1936 
 - 515p. 
<br/><br/><label>Subjects--Uniform Titles: </label>--General Stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology--Botany--Soil
<br/><br/><label>Dewey Class. No.: </label>577.57  / WOR-F