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- on-farm research[remove]7
- farmers5
- participation4
- linkages3
- research3
- sustainability3
- agricultural development2
- agricultural research2
- development2
- development communication2
- extension communication2
- extension programs2
- farming systems research2
- technology transfer2
- universities2
- Gambia1
- Guatemala1
- Nepal1
- Zambia1
- agricultural policies1