Sanchez, Pedro A <br/><br/>
Properties and management of soils in the tropics 

 - New York  John Wiley and sons  1976 
 - x, 618p.; 22cm. 
<br/><br/><label>ISBN: </label>471752002 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil management<br/>Soil science