The effectiveness of communication channels used in diffusion of agricultural innovations : the case of improved pigeonpea variety in Makueni county /
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| 主要作者: | |
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| 格式: | 圖書 |
| 語言: | English |
| 出版: |
Nairobi :
Daystar University,
2012.
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The effectiveness of communication channels used in diffusion of agricultural innovations : the case of improved pigeonpea variety in Makueni county / 
Water productivity in agriculture limits and opportunities for improvement /