TY  - PRO
AU  - Bolaños,J.A.
TI  - Productivity with conservation or conservation without productivity:  a critical review of sustainable agriculture
PY  - 1999///
CY  - Los Baños, Laguna (Philippines)
PB  - PCARRD
KW  - Maize
KW  - AGROVOC
KW  - Plant production
KW  - Production factors
KW  - Sustainability
KW  - Tropical zones
KW  - Zea mays
KW  - CIMMYT
N1  - Abstract only
ER  -