TY  - GEN
AU  - 
AU  - Lansigan, F.P., ed.
AU  - Bouman, B.A.M., ed.
AU  - van Laar, H.H., ed.
TI  - Agro-ecological zonation, characterization and optimization of rice-based cropping systems
PY  - 1994///
CY  - Los Banos
PB  - IRRI
KW  - Agroecological Zonation
KW  - Rice-Based Cropping Systems
ER  -