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There has been quite some debate about the scope for mitigating climate change by soil organic carbon (SOC) sequestration. However, it seems there is a general lack of understanding of quantities and the time-dimension, as well as the possible contribution that SOC sequestration can play. This we...


Sommer, RolfKoech, NicolasGodiah, David[CIAT SOC APP]CIAT SOC APP
Sommer, RolfThierfelder, ChristianTittonell, Pablo A.Hove, L.Mureithi, JMkomwa, S[Fertilizer use should not be a fourth principle to define conservation agriculture: Response to the opinion paper of Vanlauwe et al. (2014) ‘A fourth principle is required to define conservation agriculture in sub-Saharan Africa: The appropriate use of fertilizer to enhance crop productivity’]Fertilizer use should not be a fourth principle to define conservation agriculture: Response to the opinion paper of Vanlauwe et al. (2014) ‘A fourth principle is required to define conservation agriculture in sub-Saharan Africa: The appropriate use of fertilizer to enhance crop productivity’

Sommer, RolfKihara, JobGurmessa, BiyensaTamene, Lulseged[Crop soil simulation modeling]Crop soil simulation modeling

Notenbaert, An Maria OmerPaul, Birthe K.Mwongera, CarolineBirnholz, Celine A.Bossio, Deborah A.Girvetz, Evan H.Koge, JessicaBraslow, JulietSnyder, Katherine A.Sommer, RolfOkolo, WendyChandrappagari, Suvarna[Climate-smart soil protection and rehabilitation in India]Climate-smart soil protection and rehabilitation in India

Notenbaert, An Maria OmerPaul, Birthe K.Mwongera, CarolineBirnholz, Celine A.Bossio, Deborah A.Girvetz, Evan H.Koge, JessicaBraslow, JulietSnyder, Katherine A.Sommer, RolfOkolo, WendyKalčić, Špela[Climate-smart soil protection and rehabilitation in Benin, Burkina Faso, Ethiopia, India and Kenya]Climate-smart soil protection and rehabilitation in Benin, Burkina Faso, Ethiopia, India and Kenya

Notenbaert, An Maria OmerPaul, Birthe K.Birnholz, Celine A.Koge, JessicaBraslow, JulietSnyder, Katherine A.Sommer, RolfKalčić, Špela[La Climato-Intelligence des mesures de la GIZ pour la protection et réhabilitation des sols dans les départements Zou et Collines au Bénin]La Climato-Intelligence des mesures de la GIZ pour la protection et réhabilitation des sols dans les départements Zou et Collines au Bénin

Sommer, RolfPaul, Birthe K.Kihara, Job[The soil carbon dilemma in the humid tropics: cannot hoard it!?]The soil carbon dilemma in the humid tropics: cannot hoard it!?

Rangelands occupy 25% of the total land surface globally. In Africa, rangelands are estimated to cover 66% of the land surface, although there are variations from country to country. In Eastern Africa, for example, land surface coverage of rangeland areas varies from 44% in Uganda and 65% in Ethi...


Bolo, Peter OmondiSommer, RolfKihara, JobKinyua, MichaelNyawira, SylviaNotenbaert, An Maria Omer[Rangeland Degradation: Causes, Consequences, Monitoring Techniques and Remedies]Rangeland Degradation: Causes, Consequences, Monitoring Techniques and Remedies

Secondary and micronutrients are important in enhancing crop productivity; yet, they are hardly studied in sub-Sahara Africa. In this region, the main focus has been on macronutrients but there is emerging though scattered evidence of crop productivity limitations by the secondary and micronutrie...


Kihara, JobSileshi, Gudeta W.Nziguheba, GeneroseKinyua, MichaelZingore, ShamieSommer, Rolf[Application of secondary nutrients and micronutrients increases crop yields in sub-Saharan Africa]Application of secondary nutrients and micronutrients increases crop yields in sub-Saharan Africa

Kihara, JobGurmessa, BiyensaSommer, RolfTamene, Lulseged[Improved agronomy increases wheat yield In Africa RISING action sites]Improved agronomy increases wheat yield In Africa RISING action sites

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