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Kihara, JobBationo, B. AndréWaswa, Boaz S.Kimetu, J.M.Vanlauwe, BernardOkeyo, Jeremiah M.Mukalama, JohnMartius, Christopher[Effect of reduced tillage and mineral fertilizer application on maize and soybean productivity]Effect of reduced tillage and mineral fertilizer application on maize and soybean productivity

Kihara, JobAyaga, GeorgeMicheni, AlfredMukalama, John[Impact of conservation agriculture on soil health]Impact of conservation agriculture on soil health

CIAT Soil Carbon Sequestration Research by Rolf Sommer, CGIAR Research Program on Water, Land and Ecosystems. Presentation made at Soil Carbon Sequestration: Supporting NDCs and donor action. A CGIAR-wide workshop held 12 Nov 2017 at ZEF Center for Development Research, University of Bonn. Works...


Sommer, RolfSilva, Mayesse A. daSöderström, MatsPiikki, KristinMukalama, JohnMutua, JohnKihara, JobDesta, Lulseged TameneDesta, EvanVerchot, Louis V.[CIAT Soil Carbon Sequestration Research]CIAT Soil Carbon Sequestration Research

Kinyua, MichaelCao Diogo, Rodrigue V.Sibomana, JeanBolo, Peter OmondiGbedjissokpa, GloriaMukiri, JessicaMukalama, JohnPaul, BirtheSommer, RolfKihara, Job[Green manure cover crops in Benin and Western Kenya - A review.]Green manure cover crops in Benin and Western Kenya - A review.

Phosphate rock (PR) is an alternative fertilizer to increase the P content of P-deficient weathered soils. We evaluated the effects of fertilizer form on indicators of biological cycling of P using an on-farm trial on a Rhodic Kandiudox in western Kenya. Treatment plots were sampled after 13 crop...


Margenot, Andrew J.Sommer, RolfMukalama, JohnParikh, Sanjai J.[Biological P cycling is influenced by the form of P fertilizer in an Oxisol]Biological P cycling is influenced by the form of P fertilizer in an Oxisol

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

Sommer, RolfPaul, Birthe K.Mukalama, JohnKihara, Job[Reducing losses but failing to sequester carbon in soils – the case of Conservation Agriculture and Integrated Soil Fertility Management in the humid tropical agro-ecosystem of Western Kenya]Reducing losses but failing to sequester carbon in soils – the case of Conservation Agriculture and Integrated Soil Fertility Management in the humid tropical agro-ecosystem of Western Kenya

Mukalama, JohnSommer, RolfBraslow, JulietSmith, Georgina[Long-term productivity and sustainability of maize-soybean cropping systems through conservation agriculture]Long-term productivity and sustainability of maize-soybean cropping systems through conservation agriculture

Productivity in Crop-Livestock Systems can be maximized using Integrated Soil Fertility Management (ISFM). ISFM combines (i) improved germplasm (ii) mineral fertilizer application (iii) organic matter management and (v) adapted agronomy. CIAT established a long-term trial in Western Kenya in the ...


Mukalama, JohnBraslow, JulietSommer, Rolf[Long-term productivity and sustainability of crop-livestock systems through integrated soil fertility management]Long-term productivity and sustainability of crop-livestock systems through integrated soil fertility management

Sommer, RolfKihara, JobMukalama, JohnKaranja, NjeriAyaga, GeorgeNyambati, JohnPaul, Birthe K.Margenot, Andrew J.[Impact of soil conservation practices on soil health, climate smartness and performance of smallholder farms in Western Kenya]Impact of soil conservation practices on soil health, climate smartness and performance of smallholder farms in Western Kenya

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