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Demelash, Nigus ,  Bayu, Wondimu ,  Tesfaye, Sitot ,  Ziadat, Feras M. ,  Sommer, Rolf ,  [Current and residual effects of compost and inorganic fertilizer on wheat and soil chemical properties] ,  Current and residual effects of compost and inorganic fertilizer on wheat and soil chemical properties

Paul, Birthe K. ,  Birnholz, Celine A. ,  Timler, Carl J. ,  Michalscheck, Mirja ,  Koge, J. ,  Groot, Jeroen C.J. ,  Sommer, Rolf ,  [Assessing and improving organic matter, nutrient dynamics and profitability of smallholder farms in Ethiopia and Kenya: proof of concept of using the whole farm model FarmDESIGN for prioritization of GIZ development interventions] ,  Assessing and improving organic matter, nutrient dynamics and profitability of smallholder farms in Ethiopia and Kenya: proof of concept of using the whole farm model FarmDESIGN for prioritization of GIZ development interventions

Birnholz, Celine A. ,  Braslow, Juliet ,  Koge, Jessica ,  Notenbaert, An Maria Omer ,  Sommer, Rolf ,  Paul, Birthe K. ,  [Rapid climate smartness assessment of GIZ soil protection and rehabilitation technologies in Benin, Burkina Faso, Ethiopia, Kenya, and India.] ,  Rapid climate smartness assessment of GIZ soil protection and rehabilitation technologies in Benin, Burkina Faso, Ethiopia, Kenya, and India.

Margenot, Andrew J. ,  Sommer, Rolf ,  Parikh, Sanjai J. ,  [Soil Phosphatase Activities across a Liming Gradient under Long-Term Managements in Kenya] ,  Soil Phosphatase Activities across a Liming Gradient under Long-Term Managements in Kenya

Sommer, Rolf ,  Braslow, Juliet ,  [African eco-efficient solutions to food insecurity and climate change] ,  African eco-efficient solutions to food insecurity and climate change

Sommer, Rolf ,  Mukalama, J ,  Kihara, Job ,  Koala, Saidou ,  Bossio, Deborah A. ,  Winowiecki, D ,  [Eco efficiency of Integrated Soil Fertility Management in Western Kenya] ,  Eco efficiency of Integrated Soil Fertility Management in Western Kenya

Margenot, Andrew J. ,  Singh, Bal Ram ,  Rao, Idupulapati M. ,  Sommer, Rolf ,  [Phosphorus fertilization and management in soils of Sub-Saharan Africa] ,  Phosphorus fertilization and management in soils of Sub-Saharan Africa

Sommer, Rolf ,  Piggin, Colin ,  Feindel, David ,  Ansar, Muhammad ,  Delden, Lona van ,  Shimonaka, Kayoko ,  Abdalla, Jihad ,  Douba, Osama ,  Estefan, George ,  Haddad, Atef ,  Haj-Abdo, Rousheen ,  Hajdibo, Ali ,  Hayek, Pierre ,  Khalil, Yaseen ,  Khoder, Ahmed ,  Ryan, John ,  [Effects of zero tillage and residue retention on soil quality in the mediterranean region of Northern Syria] ,  Effects of zero tillage and residue retention on soil quality in the mediterranean region of Northern Syria

Margenot, Andrew J. ,  Paul, Birthe K. ,  Sommer, Rolf ,  Pulleman, Mirjam ,  Parikh, Sanjai ,  Fonte, Steven J. ,  [Can conservation agriculture improve phosphorus (P) availability in weathered soils? Effects of tillage and residue management on soil P status after 9 years in a Kenyan Oxisol] ,  Can conservation agriculture improve phosphorus (P) availability in weathered soils? Effects of tillage and residue management on soil P status after 9 years in a Kenyan Oxisol

Sommer, Rolf ,  [Model-based assessment of soil organic carbon dynamics and potentials for carbon sequestration under integrated soil fertility management and conservation agriculture in Western Kenya] ,  Model-based assessment of soil organic carbon dynamics and potentials for carbon sequestration under integrated soil fertility management and conservation agriculture in Western Kenya