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Subject Term
- extension methods[remove]6
- extension communication4
- extension3
- extension programs3
- extension services3
- India2
- extension systems2
- farmers2
- media effectiveness2
- pest management2
- rice2
- training and visit system2
- Sri Lanka1
- adoption1
- advisory services1
- agricultural development1
- attitudes1
- campaign planning1
- campaigns1
- chemicals1