Sangatanan, Pedro D. <br/><br/>
Soil management. 

 - Manila :  Rex Book Store Inc,  c1990. 
 - 274 pages :  illustration ;  22 cm. 
<br/><br/> References: p. 259-264. 
<br/><br/><label>ISBN: </label>9712305813 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil management.