Sachs, Ward H. <br/><br/>
Effect of cultivation on moisture and nitrate of field soil  / 
by Ward H. Sachs 
 - Arkansas  :   University of Arkansas College of Agriculture. Agricultural Experiment Station 
 - 11 p. 
 - Bulletin ; 205 .
<br/><br/> Enc. con otros impresos similares 
<br/><br/><label>LCCN: </label>205734 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Suelos -- EUA <br/>Suelos -- investigación <br/>Suelos -- nitrogeno en
<br/><br/><label>Dewey Class. No.: </label>PA-C 631.4 B85