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Nziguheba, GeneroseZingore, ShamieKihara, JobMerckx, R.Njoroge, S.Otinga, A.Vandamme, E.Vanlauwe, Bernard[Phosphorus in smallholder farming systems of subSaharan Africa: implications for agricultural intensification]Phosphorus in smallholder farming systems of subSaharan Africa: implications for agricultural intensification

Traditionally, crop production in sub-Saharan Africa (SSA) depends primarily on mining soil nutrients. Integrated Soil Fertility Management (ISFM) is an approach for intensifying agriculture in SSA that aims at maximizing the agronomic efficiency (AE) of applied nutrient inputs. ISFM contains the...


Vanlauwe, BernardKihara, JobChivenge, P.P.Pypers, PieterCoe, R.Six, Johan[Agronomic use efficiency of N fertilizer in maize-based systems in sub-Saharan Africa within the context of integrated soil fertility management]Agronomic use efficiency of N fertilizer in maize-based systems in sub-Saharan Africa within the context of integrated soil fertility management
Tamene, LulsegedMponela, PowellNdengu, GiftKihara, Job[Assessment of maize yield gap and major determinant factors between smallholder farmers in the Dedza district of Malawi]Assessment of maize yield gap and major determinant factors between smallholder farmers in the Dedza district of Malawi

The application of nitrogen in a soil under agricultural production is subject to several pathways including de-nitrification, leaching and recovery by an annual crop. This is as well greatly influenced by the management practices, nitrogen source and soil conditions. The main objective of this s...


Kimetu, J.M.Mugendi, DNBationo, B. AndréPalm, C.A.Mutuo, PKKihara, JobNandwa, SMGiller, Ken E.[Partial balance of nitrogen in a maize cropping systems in humic nitisol of Central Kenya]Partial balance of nitrogen in a maize cropping systems in humic nitisol of Central Kenya

Crop production in sub-Sahara Africa is constrained by low soil phosphorus (P) content. A study was conducted in western Kenya to explore alternative P inputs and ways of optimizing their effectiveness and profitability. A field experiment established in 2007 studied the effects of Minjingu phosp...


Savini, IsaacKihara, JobKoala, SaidouMukalama, JohnWaswa, Boaz S.Bationo, B. André[Long-term effects of TSP and Minjingu phosphate rock applications on yield response of maize and soybean in a humid tropical maize–legume cropping system]Long-term effects of TSP and Minjingu phosphate rock applications on yield response of maize and soybean in a humid tropical maize–legume cropping system
Kihara, JobTamene, LulsegedMassawe, P.Bekunda, Mateete A.[Agronomic survey to assess crop yield, controlling factors and management implications: a case-study of Babati in northern Tanzania]Agronomic survey to assess crop yield, controlling factors and management implications: a case-study of Babati in northern Tanzania
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

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

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