TY  - PRO
AU  - Harrington,L.W.
TI  - Farming systems research:  The need for a practical approach
PY  - 1984///
KW  - Appropriate technology
KW  - Cropping patterns
KW  - Farm inputs
KW  - Farm management
KW  - Productivity
KW  - AGROVOC
KW  - Technical aid
KW  - Farming systems
N1  - References p. 7
ER  -