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    Start Over You searched for: Publication Year 1999 Remove constraint Publication Year: 1999 Subject Term agriculture research Remove constraint Subject Term: agriculture research Subject Term on-farm research Remove constraint Subject Term: on-farm research

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    1. Farmer-based experimentation with velvetbean: innovation within tradition

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    2. Participatory plant breeding for on-farm conservation

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    3. Peasant expertise and formal science

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    4. Sharing the PTD (participatory technology development) approach

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