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Crop production in sub-Saharan Africa has numerous biotic and abiotic constraints, including nutrient deficiencies. Information on crop response to macronutrients is relatively abundant compared with secondary and micronutrients (SMN). Data from 1339 trial replicates of 280 field trials conducted...


Wortmann, Charles S.Kaizzi, K.C.Maman, N.Cyamweshi, A.Dicko, M.Garba, M.Milner, M.Senkoro, C.Tarfa, B.Tettah, F.Kibunja, C.Muntholi, M.Nalivata, P.Nkonde, D.Nabahungu, L.Ouattara, K.Serme, I.[Diagnosis of crop secondary and micro-nutrient deficiencies in sub-Saharan Africa]Diagnosis of crop secondary and micro-nutrient deficiencies in sub-Saharan Africa

Technological interventions to address the problem of poor productivity of smallholder agricultural systems must be designed to target socially diverse and spatially heterogeneous farms and farming systems. This paper proposes a categorisation of household diversity based on a functional typology...


Tittonell, Pablo A.Muriuki, A.Shepherd, Keith D.Mugendi, D.Kaizzi, K.C.Okeyo, J.Verchot, Louis V.Coe, R.Vanlauwe, Bernard[The diversity of rural livelihoods and their influence on soil fertility in agricultural systems of East Africa – A typology of smallholder farms]The diversity of rural livelihoods and their influence on soil fertility in agricultural systems of East Africa – A typology of smallholder farms

Semalulu, O.Kaizzi, K.C.Komutunga, E.Mubiru, D.Magunda, M.[Conserving soils: Water-smart agriculture through integrated soil and water management: The Uganda experience]Conserving soils: Water-smart agriculture through integrated soil and water management: The Uganda experience

Wheat (Triticum æstivum L.) is an important East Africa highland crop but yields are low. Information is scarce for optimization of fertilizer use. Research was conducted to determine yield response functions for N, P and K, and to diagnose Mg–S–Zn–B deficiencies. The average grain yield increase...


Cyamweshi, A.R.Nabahungu, L.N.Senkoro, C.J.Kibunja, C.N.Mukuralinda, A.Kaizzi, K.C.Mvuyekure, S.M.Kayumba, J.Ndung'u-Magiroi, Keziah WairimuKoech, M.N.Wortmann, Charles S.[Wheat nutrient response functions for the east Africa highlands]Wheat nutrient response functions for the east Africa highlands

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