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Phosphorus (P) is an essential nutrient but is commonly limiting for food production in tropical and subtropical maize cropping. The efficiency of P fertiliser uptake is often low (5–30%) for various site-specific reasons and so identifying the drivers of P efficiency for different systems is imp...


Das, BiancaHuth, NeilProbert, MervPaul, BirtheKihara, JobBolo, Peter OmondiRodriguez, DanielHerrero, MarioSchmidt, Susanne[Drivers of Phosphorus Efficiency in Tropical and Subtropical Cropping Systems]Drivers of Phosphorus Efficiency in Tropical and Subtropical Cropping Systems
Kihara, JobNjoroge, SamuelZingore, Shamie[Analysis of Crop Nutrient Response Patterns to Guide Site-Specific Fertilizer Recommendations]Analysis of Crop Nutrient Response Patterns to Guide Site-Specific Fertilizer Recommendations

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
Bationo, B. AndréTraoré, ZKimetu, J.Bagayoko, MKihara, JobBado, V.B.Lompo, MTabo, RamadjitaKoala, Saidou[Cropping systems in the Sudano-Sahelian zone: implications on soil fertility management over varied seasons]Cropping systems in the Sudano-Sahelian zone: implications on soil fertility management over varied seasons

A synthesis of available agronomic datasets and peer-reviewed scientific literature was conducted to: (1) assess the status of micronutrients in sub-Saharan Africa (SSA) arable soils, (2) improve the understanding of the relations between soil quality/management and crop nutritional quality and (...


Kihara, JobBolo, PeterKinyua, MichaelRurinda, JairosPiikki, Kristin[Micronutrient deficiencies in African soils and the human nutritional nexus: opportunities with staple crops]Micronutrient deficiencies in African soils and the human nutritional nexus: opportunities with staple crops

Kizito, FredKihara, JobLukuyu, Ben A.Sikumba, Gregory N.Lyimo, S.Yangole, L.Ibrahim, I.[Landscape natural resources management using forage grasses and legume intercrops]Landscape natural resources management using forage grasses and legume intercrops
Hundie, B.Kimaro, Anthony A.Swamila, M.Lyimo, S.YangoleAfari-Sefa, VictorLukuman, P.Ngulu, F.Kihara, JobAbass, A.B.Bekunda, Mateete A.Hoeschle-Zeledon, Irmgard[Cost-benefit analysis of Africa RISING technologies in Tanzania: Summary of initial results]Cost-benefit analysis of Africa RISING technologies in Tanzania: Summary of initial results

Amede, TilahunAsrat, T.Legesse, G.Mekonnen, KinduAsfaw, A.Ibrahim, M.Alene, TemesgenDubale, WorknehKihara, JobTamene, Lulseged[Natural resource management: Africa RISING science, innovations and technologies with scaling potential from the Ethiopian highlands]Natural resource management: Africa RISING science, innovations and technologies with scaling potential from the Ethiopian highlands

One of the aims of the AfSIS (Africa Soil Information Service) project is to document farmers’ characteristics and practices to determine their ability to engage in effective soil and crop management. This document outlines how agronomic surveys are integrated with knowledge of farmers’ conditio...


Okoth, Peter F.Nambiro, EKibe, PNjoroge, SMacharia, RKihara, JobHuising, Jeroen[A practical guide for collecting farmers socio-economic and agronomic data: an AfSIS Project field protocol]A practical guide for collecting farmers socio-economic and agronomic data: an AfSIS Project field protocol
Kihara, JobVlek, Paul L.G.Martius, C.Amelung, WulfBationo, B. André[Influence of conservation tillage on soil microbial diversity, structure and crop yields in sub-humid and semi-arid environments in Kenya]Influence of conservation tillage on soil microbial diversity, structure and crop yields in sub-humid and semi-arid environments in Kenya

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