International workshop on managing legume nitrogen fixation in the cropping systems of Asia(Patancheru  1996) <br/><br/>
Extending nitrogen fixation research to farmers' field  Proceedings 
ed. by O. P. Rupela, C. Johansen and D. F. Herridge 
 - Patancheru  ICRISAT  1997 
 - x,404p. 
<br/><br/><label>ISBN: </label>9290663782 
<br/><br/><label>Dewey Class. No.: </label>631.5701581133  / N96