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This paper ilustrates the principle determining cropping systems for Vertisols by reviewing work in the highlands of Ethiopia. The types of cropping systems that can be applicable in the different Vertisol environments are briefly described. These cropping systems include single cropping; multipl...


Berhe, KahsayTedla, A.Mohamed-Saleem, M.A.[Cropping systems for Vertisols in the Ethiopian highlands]Cropping systems for Vertisols in the Ethiopian highlands

Integration of forage legumes into traditional fallow management systems can help to improve both forage supply at a time of feed scarcity and soil fertility. At two sites in south-west Nigeria, 11 legume species with generally low nutrient requirements were evaluated on-station in a short-term l...


Muhr, L.Peters, MichaelTarawali, Shirley A.Schultze-Kraft, Rainer[Fallow improvement with forage legumes: Potentials and constraints of an integrative technology for crop-livestock systems in sub-humid West Africa]Fallow improvement with forage legumes: Potentials and constraints of an integrative technology for crop-livestock systems in sub-humid West Africa

The East African highlands face servere erosion problems, declining soil fertility and acute shortages of fodder and fuelwood. These problems are worsened by the region's rapid population growth, but may be reduced if leguminous trees are integrated into the farming systems. Adapted leucaena spec...


Otsyina, R.Hanson, JeanAkyeampong, E.[Leucaena in East Africa]Leucaena in East Africa
Nziguheba, GeneroseZingore, ShamieKihara, JobMerckx, RoelNjoroge, SamuelVandamme, ElkeVanlauwe, Bernard[Phosphorus in smallholder farming systems of sub-Saharan Africa: implications for agricultural intensification]Phosphorus in smallholder farming systems of sub-Saharan Africa: implications for agricultural intensification
Gaye Burpee, C[Cuadro de indicadores de la calidad del suelo: un suelo saludable es un suelo productivo]Cuadro de indicadores de la calidad del suelo: un suelo saludable es un suelo productivo

Agricultural extension programmes often evaluate their gender strategy by the proportion of female participants. However, female participation is not necessarily conducive for reaching programme objectives.Weanalyse whether participation of female farmers in an agricultural extension programme in...


Lambrecht, I.Vanlauwe, BernardMaertens, M.[Agricultural extension in Eastern Democratic Republic of Congo: Does gender matter?]Agricultural extension in Eastern Democratic Republic of Congo: Does gender matter?

In search of options to cope with climate change and variability, a trial combining fertilization and improved varieties of millet and cowpea (intercropped or as sole crop) was conducted on three sites (Lemnogo, Tibtenga and Ramdolla) in the northern region of Burkina Faso. The application of cat...


Sanou, JosiasBationo, B. AndréBarry, SilamanaNabie, Loyehoun DorothéeBayala, JulesZougmoré, Robert B.[Combining soil fertilization, cropping systems and improved varieties to minimize climate risks on farming productivity in northern region of Burkina Faso]Combining soil fertilization, cropping systems and improved varieties to minimize climate risks on farming productivity in northern region of Burkina Faso

Topsoil (0–15 cm) bulk density, aggregate stability, soil dispersibility, water retention and infiltration were measured between 1989 and 1996 on an Alfisol under rehabilitation in southwestern Nigeria. The planted leguminous species were Pueraria phaseoloides, Senna siamea, Leucaena leucocephala...


Salako, F.Hauser, S.Babalola, O.Tian, G.[Improvement of the physical fertility of a degraded Alfisol with planted and natural fallows under humid tropical conditions]Improvement of the physical fertility of a degraded Alfisol with planted and natural fallows under humid tropical conditions

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