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Subject Term
- Iowa, USA[remove]9
- media use4
- farmers3
- extension agents2
- farmer attitudes2
- farmer needs2
- farmer perceptions2
- information sources2
- public information2
- Four H1
- adoption1
- adoption behavior1
- campaign planning1
- campaigns1
- communication barriers1
- communication channels1
- computer programs1
- computers1
- conflict1
- environmental communication1