Stevenson, Frank J <br/><br/>
Nitrogen in agricultural soils 

 - Madison  ASA  1982 
 - xiv,940 p. 
 - Agronomy;No.22 .
<br/><br/><label>ISBN: </label>0891180702 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INORGANIC CHEMISTRY<br/>SOIL CHEMISTRY<br/>Soil science
<br/><br/><label>Dewey Class. No.: </label>631.416  / NIT