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總筆數:3
| 篇名 | 作者 | 刊名 | 出版年 | 查看 |
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| Assessing sustainability of low-external-input farm management systems withthe nutrient monitoring approach: a case study in Kenya |
De Jager, A.;Onduru, D.;van Wijk, M.S.;Vlaming, J.;Gachini, G.N.; |
Agricultural Systems |
2001-07-01 |
查看 |
| Facilitated learning in soil fertility management: assessing potentials oflow-external-input technologies in east African farming systems |
de Jager, A.;Onduru, D.;Walaga, C.; |
Agricultural Systems |
2004-02-01 |
查看 |
| Facilitated learning in soil fertility management: assessing potentialsof low-external-input technologies in east African farming systems |
de Jager, A.;Onduru, D.;Walaga, C.; |
Agricultural Systems |
2004-02-01 |
查看 |
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