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Decline in crop yields is a major problem facing smallholder farmers in Kenya and the entire Sub-Saharan region. This is attributed mainly to the mining of major nutrients due to continuous cropping without addition of adequate external nutrients. In most cases inorganic fertilizers are expensive...


Kimetu, J.M.Mugendi, DNPalm, C.A.Mutuo, PKGachengo, CNBationo, B. André[Nitrogen fertilizer equivalencies of organics of differing quality and optimum combination with organic nitrogen source in Central Kenya]Nitrogen fertilizer equivalencies of organics of differing quality and optimum combination with organic nitrogen source in Central Kenya

Bationo, B. AndréRamisch, Joshua J.Bado, BVKihara, JobVanlauwe, BernardAdamou, A.Kimetu, J.Tabo, RamadjitaLompo, FOuattara, BKoala, Saidou[Research highlights on integrated soil fertility management in the Sahel]Research highlights on integrated soil fertility management in the Sahel

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

Low inherent soil fertility in the highly weathered and leached soils largely accounts for low and unsustained crop yields in most African countries. But in particular, the major nutrients, nitrogen (N) and phosphorus (P), are commonly deficient in these soils. This scenario of nutrient depletion...


Okalebo, JROthieno, COWoomer, P.L.Karanja, NKNSemoka, JMRBekunda, Mateete A.Mugendi, DNMuasya, RMBationo, B. AndréMukhwana, EJ[Available technologies to replenish soil fertility in East Africa]Available technologies to replenish soil fertility in East Africa

Bationo, B. AndréTabo, RamadjitaKihara, JobKimetu, J.Adamou, A.Koala, Saidou[Farming in the drylands of West Africa: promising soil fertility restoration technologies]Farming in the drylands of West Africa: promising soil fertility restoration technologies

Bationo, B. AndréVanlauwe, BernardKihara, JobKimetu, J.Tabo, RamadjitaKoala, SaidouAdamou, A.[Use of mineral and organic inputs to increase land productivity and sustainability with special reference to the drylands of West Africa]Use of mineral and organic inputs to increase land productivity and sustainability with special reference to the drylands of West Africa
Abdou, AKoala, SaidouBationo, B. André[Long-Term soil fertility trials in Niger, west Africa]Long-Term soil fertility trials in Niger, west Africa
Bado, BVBationo, B. AndréLompo, FCescas, MPSédogo, MP[Mineral fertilizers, organic amendments and crop rotation managements for soil fertility maintenance in the Guinean zone of Burkina Faso (West Africa)]Mineral fertilizers, organic amendments and crop rotation managements for soil fertility maintenance in the Guinean zone of Burkina Faso (West Africa)

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