TY  - BOOK
AU  - Ahn, Peter Martin.
TI  - Tropical soils and fertiliser use
T2  - Intermediate tropical agriculture series
U1  - 631.4913 
PY  - 1993///
CY  - England
PB  - Longman Scientific & Technical
KW  - Fertilizantes
KW  - Efecto en suelos
KW  - Suelos tropicales
ER  -