Greaves, J. E. <br/><br/>
Stimulating influence of arsenic upon the nitrogen-fixing organisms of the soil  / 
by J. E. Graeves 
 - Utah  :   Utah. Agricultural Experiment Station 
 - 389-416 p. 
 - Journal of Agricultural Research : 6(2), 1916 .
<br/><br/> Enc. con otros impresos similares 
<br/><br/><label>LCCN: </label>205755 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Suelos -- análisis<br/>Suelos -- EUA <br/>Suelos, nitrogeno en 
<br/><br/><label>Dewey Class. No.: </label>PA-C 631.4 B85