Biological N fixation in forage-live-stock systems :  proceedings of a syposium/sponsored by Divisions C-3,C-6, A-4 and S-4 of the American Society of Agronomy, crop science society of America and the soil science Society of America / 
editor-in-Chief, Matthias Stelly. 
 - Madison :  American Society of Agronomy,  1976. 
 - vi, 127 p. :  ill. ;  24 cm. 
 - ASA special publication ;  no.28 .
<br/><br/>Includes bibliographies. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>089118046X 
<br/><br/><label>LCCN: </label>7628165  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Forage plants--Congresses.<br/>Nitrogen--Fixation--Congresses.<br/>Nitrogen fertilizers--Congresses.<br/>Cattle--Feeding and feeds--Congresses.