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Improved understanding of soil fertility factors limiting crop productivity is important to develop appropriate soil and nutrient management recommendations in sub-Saharan Africa. Diagnostic trials were implemented in Kenya, Malawi, Mali, Nigeria and Tanzania, as part of the African Soils Informa...


Kihara, JobNziguheba, GeneroseZingore, ShamieCoulibaly, AdamaEsilaba, Anthony O.Kabambe, VernonNjoroge, SamuelPalm, CherylHuising, Jeroen[Understanding variability in crop response to fertilizer and amendments in sub-Saharan Africa]Understanding variability in crop response to fertilizer and amendments in sub-Saharan Africa
Kihara, JobHuising, JeroenNziguheba, GeneroseZingore, Shamie[Omission trials conducted in 5 countries under AfSIS Phase 1 under CIAT]Omission trials conducted in 5 countries under AfSIS Phase 1 under CIAT
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

The contribution of organic resources to the restoration of soil fertility in smallholder farming systems in East Africa is being tested as an alternative to costly fertilizers. Organic inputs are expected to have advantages over fertilizers by affecting many biochemical properties controlling nu...


Nziguheba, GeneroseMerckx, R.Palm, C.[Carbon and nitrogen dynamics in a phosphorus deficient soil amended with organic residues and fertilizers in western Kenya]Carbon and nitrogen dynamics in a phosphorus deficient soil amended with organic residues and fertilizers in western Kenya

Integrated crop-livestock farming in the Guinea savanna of West Africa is often assumed to lead to synergies between crop and livestock production, thereby improving the overall productivity and resilience of agricultural production. Whether these synergies actually occur remains poorly studied. ...


Franke, A.C.Berkhout, E.D.Iwuafor, E.N.O.Nziguheba, GeneroseDercon, G.Vandeplas, I.Diels, J.[Does crop-livestock integration lead to improved crop production in the savanna of West Africa?]Does crop-livestock integration lead to improved crop production in the savanna of West Africa?

The IPNI sub-Saharan Africa Program has released an extension handbook for fertilizer management in smallholder farming in sub-Saharan Africa. The innovative handbook was developed as a resource for researchers, extension agents, agrodealers and other stakeholders working with smallholder farmers...


Zingore, ShamieNjoroge, SChikowo, RegisKihara, JobNziguheba, GeneroseNyamangara, Justice[4R plant nutrient management in African agriculture: an extension handbook for fertilizer management in smallholder farming systems]4R plant nutrient management in African agriculture: an extension handbook for fertilizer management in smallholder farming systems

Crop response, tree biomass production and changes in soil fertility characteristics were monitored in a long-term (1986–2006) alley-cropping trial in Ibadan, Nigeria. The systems included two alley cropping systems with Leucaena leucocephala and Senna siamea on the one hand and a control (no-tre...


Vanlauwe, BernardNziguheba, GeneroseNwoke, O.C.Diels, J.Sanginga, NteranyaMerckx, R.[Long-term integrated soil fertility management in South-Western Nigeria: crop performance and impact on the soil fertility status]Long-term integrated soil fertility management in South-Western Nigeria: crop performance and impact on the soil fertility status

Sub-Saharan Africa (SSA) is plagued by low productivity and little research is available on the attainable responses and profitability to applied nutrients under variable environments. The objective of this study was to determine the attainable maize grain response to and potential of profitabili...


Kihara, JobHuising, JeroenNziguheba, GeneroseWaswa, Boaz S.Njoroge, SKabambe, V.Iwuafor, E.Kibunja, C.N.Esilaba, Anthony O.Coulibaly, A[Maize response to macronutrients and potential for profitability in sub-Saharan Africa]Maize response to macronutrients and potential for profitability in sub-Saharan Africa
Nziguheba, GeneroseMerckx, R.Palm, C.A.Mutuo, P[Combined use of Tithonia diversifolia and inorganic fertilizers for improving maize production in a phosphorus deficient soil in Western Kenya]Combined use of Tithonia diversifolia and inorganic fertilizers for improving maize production in a phosphorus deficient soil in Western Kenya

Achieving sustainable food security in Nigeria is feasible through organic farming. However, unavailability and resource constraints hamper the adoption of agricultural inputs; hence the market offers opportunity for use of purchased organic inputs. In assessing the importance of the market, the ...


Olayide, O.Alene, A.Ikpi, A.Nziguheba, Generose[Manure marketing in the savannas of Nigeria: implications for sustainable food security]Manure marketing in the savannas of Nigeria: implications for sustainable food security

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