Symposium on Advances in Nitrogen Cycling in Agricultural Ecosystems may 1987 <br/><br/>
Advances in nitrogen cycling in agricultural ecosystems 

 - Estados Unidos de América :   C.A.B International,   1988 
 - xii, 451p 
<br/><br/> incluye índice 
<br/><br/><label>ISBN: </label>085198603X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CICLO DEL NITROGENO<br/>FIJACION DEL NITROGENO<br/>SUELOS
<br/><br/><label>Dewey Class. No.: </label>631.4 S612