TY  - SER
AU  - Jennings, Peter Randolph
AU  - Cock, James H.
TI  - Centres of origin of crops and their productivity
KW  - Rice
KW  - Sorghum
KW  - Maize
KW  - Provenance
KW  - Yields
KW  - Technology
KW  - Productivity
KW  - Arroz
KW  - Sorgos
KW  - Maíz
KW  - Procedencia
KW  - Rendimiento
KW  - Tecnología
KW  - Productividad
KW  - Thompson
KW  - CIAT Autor
KW  - RJ
KW  - Articles in Refereed Journals
ER  -