Bouldin, David. <br/><br/>
Nitrogen fixation by legumes in the tropics 

 - Ithaca :  New York State College of Agriculture and Life Sciences,  1979 
 - 40 p.  ; gráfs. 
 - Cornell International Agriculture, mimeograph  ; 75 .
 - Cornell International Agriculture, mimeograph  ; 75 .
<br/><br/><label>LCCN: </label>21679 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Leguminosas--Trópicos.<br/>Nitrógeno--Efecto en plantas.<br/>Nitrógeno--Fijación.