Bartholomew, W. V. <br/><br/>
Soil nitrogen 

 - Madison :  American Society of Agronomy,  1965 
 - 615 p. 
 - Agronomy  ; 10 .
 - Agronomy  ; 10 .
<br/><br/><label>LCCN: </label>11987 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Suelos--Nitrógeno en.
<br/><br/><label>Dewey Class. No.: </label>631.411  / B3