农业推广学
- 网络Agricultural popularization;Agricultural Extension
农业推广学-
《农业推广学》精品课程建设的实践
Model Curricula Development Practice of Agricultural Extension
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农业推广学在豫玉22号推广中的应用
Application of Agricultural Popularization in Promotion of Maize Hybrid Yuyu 22
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从农业推广学的角度，分析了豫玉22号得以大面积推广的原因。
The reasons of broad application of maize hybrid Yuyu 22 were studied from agricultural popularization perspective .