Pubols, Ben H. <br/><br/>
Ferming systems and practices and their relations hip to soil conservation and farm income in the wheat region of Washington  / 
by Ben H. Pubols, Alden E. Orrand Carl P. Heisig 
 - Washington  :   State College of Washington. Agricultural Experiment Station 
 - 41 p. 
 - Bulletin ; 374 .
<br/><br/> Enc. con otros impresos similares 
<br/><br/><label>LCCN: </label>205725 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Suelos -- conservación <br/>Suelos -- EUA <br/>Trigo -- EUA
<br/><br/><label>Dewey Class. No.: </label>PA-C 631.4 B85