Dagoon, Jesse D. <br/><br/>
Soils, fertilizers and crops :  basic principles of crop production in the tropics / 
Jesse D. Dagoon, Pedro D. Sangatanan 
 - Manila :  Rex Book Store,  1990. 
 - 233 p. 
<br/><br/><label>ISBN: </label>9712306305 
<br/><br/><label>ISSN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>*Soils.<br/>Fertilizers.<br/>Soil fertility.