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21
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Adapted farming in West Africa : issues, potentials and perspectives : final report (1986-1999) of the Special research programme 308 "Adapted farming in West Africa" / ed. Frieder Graef, Peter Lawrence, Matthias von Oppen.
- Grauer,
- 2000.
- Stuttgart :
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Wind erosion in the Southern Sahelian zone : extent, control, and effects on millet production / Karlheinz Michels.
- Grauer,
- 1994.
- Stuttgart :
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An assessment of wind erosion control techniques in Niger : financial and economic analyses of windbreaks and millet crop residues / John P.A. Lamers.
- Grauer,
- 1995.
- Stuttgart :
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Economic analysis of innovation and adoption of vertisol technology : a study of smallholders' mixed farming in the highlands of Ethiopia / Gezahegn Ayele.
- Grauer,
- 1999.
- Stuttgart :
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Site-specific effects of cereal/legume rotations in West Africa : soil mineral nitrogen, mycorrhizae and nematodes / Minamba Bagayoko.
- Grauer,
- 1999.
- Stuttgart :
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Wirtschaftliche Beurteilung des Winterweizen- und Körnermaisanbaus im Raum Peking unter Berücksichtigung von Umweltwirkungen / Zhiping Guo.
- Grauer,
- 1995.
- Stuttgart :
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The impact of foreign aid and trade in Ethiopia : macro, sectoral and micro level analysis / Teressa Adugna.
- Grauer,
- 1997.
- Stuttgart :
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Productivity, market orientation and agricultural intensification : a comparative analysis of smallholder farmers in Meru and Machakos districts of Kenya / Walter Odhiambo.
- Grauer,
- 1998.
- Stuttgart :
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Spatial organization of foodgrain storage facilities in Sudan / El Fadil Ahmed Ismail.
- Grauer,
- 1996.
- Stuttgart :
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Der Getreidemarkt in der VR China / Haifeng Xiao.
- Grauer,
- 1995.
- Stuttgart :