Methods for evaluating biological nitrogen fixation / 
edited by F. J. Bergersen 
 - x, 702 p. :  il. ;  23 cm. 
<br/><br/> A Wiley-Interscience publication. 
<br/><br/>Incluye referencia bibliográfica: p. 637-680 e índices 
<br/><br/><label>ISBN: </label>0471277592 
<br/><br/><label>Subjects--Topical Terms: </label><br/>FIJACION DEL NITROGENO
<br/><br/><label>Dewey Class. No.: </label>574.133  / M37m