Nitrogen metabolism / 
coedited by F.C. Steward and R.G.S. Bidwell 
 - xiv, 449 p. :  il. ;  22 cm. 
 - Plant physiology. a treatise ;  v.8 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>FIJACION DEL NITROGENO<br/>NITROGENO--ASPECTOS AMBIENTALES<br/>SUELOS CONTENIDO DE NITROGENO
<br/><br/><label>Dewey Class. No.: </label>581.1  / P52 v.8