Ahn, Peter Martin. <br/><br/>
Tropical soils and fertiliser use / 
P.M. Ahn. 
 - Essex, England :  Longman Scientific & Technical,  1993. 
 - xii, 264 p. :  ill. ;  21 cm. 
 - Intermediate tropical agriculture series .
<br/><br/><label>ISBN: </label>0582775078 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils--Tropics.<br/>Fertilizer.<br/>Soil formation.