International Symposium on the Limitations and Potentials of Biological Nitrogem Fixation in the Tropics. Summary of papers [cerrado, Brasil] 

 - Brasilia, DF (Brasil):   1977.  
 - 116 p. 
<br/><br/> Summary only 
<br/><br/><label>Subjects--Topical Terms: </label><br/>FIXACAO DE NITROGENIO<br/>NODULACAO<br/>RHIZOBIUM<br/>SIMBIOSE<br/>CERRADO