Grove, Thurman L. <br/><br/>
Nitrogen fertility in oxisols and ultisols of the humid tropics 

 - Ithaca :  New York College of Agriculture and Life Sciences,  1979 
 - 28 p.  ; gráfs 
 - Cornell International Agriculture Bulletin  ; 36 .
 - Cornell International Agriculture Bulletin  ; 36 .
<br/><br/><label>LCCN: </label>15566 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Suelos--Acidez.<br/>Suelos--Fertilidad.<br/>Suelos--Nitrógeno en.<br/>Suelos--Trópicos.