Pearson, Robert W. <br/><br/>
Soil acidity and liming in the humid tropical 

 - Ithaca, N. Y. :  Cornell University,  1975 
 - 66 p. 
 - Cornell International Agriculture Bulletin  ; 30 .
 - Cornell International Agriculture Bulletin  ; 30 .
<br/><br/><label>LCCN: </label>38285 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calcio--Efecto en suelos.<br/>Suelos tropicales.<br/>Suelos--Acidez.