TY  - BOOK
AU  - Hartemink, Alfred E  .
TI  - Soil fertility decline in the tropics: with case studies on plantations / 
SN  - 0-85199-670-1
U1  - J:1 
PY  - 2003///
CY  - UK : 
PB  - CABI Publishing , 
KW  - Soil fertility-Tropics
ER  -