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Farm management in mixed crop-livestock systems in the northern highlands of Ethiopia / Assefa Abegaz.
- Wageningen university and research centre. Department of plant sciences. Plant production systems group,
- 2005.
- Wageningen :
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Exploring socio-ecological niches for legumes in western Kenya smallholder farming systems / John O. Ojiem.
- Wageningen university and research centre. Department of plant sciences. Plant production systems group,
- 2006.
- Wageningen :
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Nutrient budgets, soil fertility management and livelihood analyses in Northeast Thailand : a basis for integrated rural development strategies in developing countries / J.D. Wijnhoud.
- Wageningen university and research centre. Department of plant sciences. Plant production systems group,
- 2007.
- Wageningen :