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In southern Africa, soil nutrient reserves are being depleted because of continued nutrient mining without adequate replenishment. The consequent downward spiral of soil fertility has led to a corresponding decline in crop yields, food insecurity, food aid and environmental degradation. The centr...


Mafongoya, P.L.Bationo, B. AndréKihara, JobWaswa, Boaz S.[Appropriate technologies to replenish soil fertility in Southern Africa]Appropriate technologies to replenish soil fertility in Southern Africa

Soil nutrient depletion as a result of continuous cultivation of soils without adequate addition of external inputs is a major challenge in the highlands of Kenya. An experiment was set up in Meru South District, Kenya in 2000 to investigate the effects of different soil-incorporated organic (man...


Mucheru-Muna, M.Mugendi, DNKung'u, J.B.Mugwe, JBationo, B. André[Effects of organic and mineral fertilizer inputs on maize yield and soil chemical properties in a maize cropping systems in Meru South District, Kenya]Effects of organic and mineral fertilizer inputs on maize yield and soil chemical properties in a maize cropping systems in Meru South District, Kenya

Micro-dosing technology has been developed by the International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) and its partners to help subsistence farmers in the Sahel improve inorganic fertilizer application. However, the ICRISAT's recommendations regarding fertilizer application ...


Hayashi, KAbdoulaye, TahirouGerard, Bruno G.Bationo, B. André[Evaluation of application timing in fertilizer micro-dosing technology on millet production in Niger, West Africa]Evaluation of application timing in fertilizer micro-dosing technology on millet production in Niger, West Africa

Due to increased population pressure and limited availability of fertile land, farmers on desert fringes increasingly rely on marginal land for agricultural production, which they have learned to rehabilitate with different technologies for soils and water conservation. One such method is the ind...


Fatondji, D.Martius, C.Bielders, Charles L.Vlek, Paul L.G.Bationo, B. AndréGerard, Bruno G.[Effect of planting technique and amendment type on pearl millet yield, nutrient uptake, and water use on degraded land in Niger]Effect of planting technique and amendment type on pearl millet yield, nutrient uptake, and water use on degraded land in Niger

Agriculture in the dry savannas is intensifying in response to increasing populations of humans and livestock. As a result, increased productivity demands are placed upon integrated crop-livestock systems and more emphasis is on the roles of legumes such as cowpea. Cowpea has the potential to fun...


Tarawali, Shirley A.Singh, B.B.Gupta, S.C.Tabo, RamadjitaHarris, F.Nokoe, S.Fernández Rivera, S.Bationo, B. AndréManyong, Victor M.Makinde, K.Odion, E.C.[Cowpea as a key factor for a new approach to integrated crop-livestock systems research in the dry savannas of West Africa]Cowpea as a key factor for a new approach to integrated crop-livestock systems research in the dry savannas of West Africa
Kihara, JobMartius, C.Bationo, B. André[Crop residue disappearance and macrofauna activity in sub-humid western Kenya]Crop residue disappearance and macrofauna activity in sub-humid western Kenya

Cowpea (Vigna unguiculata[L.] Walp.) is an important grain legume in the semi- arid zone of West Africa as it is a major source of dietary protein for the people. It is usually grown as an intercrop with the major cereals, namely millet and sorghum. Despite its importance, its yields are very low...


Bationo, B. AndréNtare, B.R.Tarawali, S.A.Tabo, R.[Soil fertility management and cowpea production in the semi arid tropics of West Africa]Soil fertility management and cowpea production in the semi arid tropics of West Africa

This occasional paper presents a report from a project on “Developing community-based climate smart agriculture through participatory action research in CCAFS benchmark sites in West Africa” which is a joint initiative of CCAFS-West Africa programme and ICRAF-WCA. Other key players of the project...


Bayala, JulesZougmoré, Robert B.Ky-Dembele, CatherineBationo, B. AndréBuah, S.S.J.Sanogo, DiaminatouSomda, JacquesTougiani ATraoré, KadariKalinganire, Antoine[Towards developing scalable climate-smart village models: approach and lessons learnt from pilot research in West Africa]Towards developing scalable climate-smart village models: approach and lessons learnt from pilot research in West Africa

Across the world, soil organic carbon (SOC) is decreasing due to changes in land use such as the conversion of natural systems to food or bioenergy production systems. The losses of SOC have impacted crop productivity and other ecosystem services adversely. One of the grand challenges for society...


Nziguheba, GeneroseVargas, R.Bationo, B. AndréBlack, H.Buschiazzo, Daniel E.Brogniez, Delphine deJoosten, H.Melillo, J.Richter, D.Termansen, Mette[Soil carbon: a critical natural resource widescale goals, urgent actions]Soil carbon: a critical natural resource widescale goals, urgent actions

Low soil fertility is a fundamental constraint to crop production in western Kenya. Although researchers have developed many soil fertility-improving technologies, the adoption of these technologies is low due to inadequate awareness of the technologies, poor access to requisite resources and uns...


Odendo, MOjiem, JBationo, B. AndréMudeheri, MA[On-farm evaluation and scaling-up of soil fertility management technologies in Western Kenya]On-farm evaluation and scaling-up of soil fertility management technologies in Western Kenya

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