TY  - BOOK
AU  - Workshop on the Application Programs'Agro-ecologi
TI  - Agro-ecological zonation, characterization and optimization of rice-based croppi
U1  - 633.18 W926A-1 
PY  - 1994///
CY  - Wageningen
PB  - DLO Research Institute for Agrobiology and Soil Fe
ER  -