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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

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 ,  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