| Methods of soil, plant, and water analysis G Estefan, R Sommer, J Ryan A manual for the West Asia and North Africa region 3, 65-119, 2013 | 381 | 2013 |
| Reducing emissions from agriculture to meet the 2 C target E Wollenberg, M Richards, P Smith, P Havlík, M Obersteiner, FN Tubiello, ... Global change biology 22 (12), 3859-3864, 2016 | 234 | 2016 |
| Impact of climate change on wheat productivity in Central Asia R Sommer, M Glazirina, T Yuldashev, A Otarov, M Ibraeva, L Martynova, ... Agriculture, ecosystems & environment 178, 78-99, 2013 | 137 | 2013 |
| Carbon storage and root penetration in deep soils under small-farmer land-use systems in the Eastern Amazon region, Brazil R Sommer, M Denich, PLG Vlek Plant and soil 219 (1), 231-241, 2000 | 134 | 2000 |
| Modeling irrigated cotton with shallow groundwater in the Aral Sea Basin of Uzbekistan: II. Soil salinity dynamics I Forkutsa, R Sommer, YI Shirokova, JPA Lamers, K Kienzler, B Tischbein, ... Irrigation Science 27 (4), 319-330, 2009 | 119 | 2009 |
| Dynamics and climate change mitigation potential of soil organic carbon sequestration R Sommer, D Bossio Journal of environmental management 144, 83-87, 2014 | 118 | 2014 |
| Global sequestration potential of increased organic carbon in cropland soils RJ Zomer, DA Bossio, R Sommer, LV Verchot Scientific Reports 7 (1), 1-8, 2017 | 115 | 2017 |
| Energy use and CO 2 production in tropical agriculture and means and strategies for reduction or mitigation PLG Vlek, G Rodríguez-Kuhl, R Sommer Environment, development and sustainability 6 (1), 213-233, 2004 | 106 | 2004 |
| Nutrient balance of shifting cultivation by burning or mulching in the Eastern Amazon–evidence for subsoil nutrient accumulation R Sommer, PLG Vlek, TD de Abreu Sá, K Vielhauer, RFR Coelho, ... Nutrient Cycling in Agroecosystems 68 (3), 257-271, 2004 | 95 | 2004 |
| Transpiration and canopy conductance of secondary vegetation in the eastern Amazon R Sommer, TD de Abreu Sá, K Vielhauer, AC de Araújo, H Fölster, ... Agricultural and Forest Meteorology 112 (2), 103-121, 2002 | 95 | 2002 |
| Modeling irrigated cotton with shallow groundwater in the Aral Sea Basin of Uzbekistan: I. Water dynamics I Forkutsa, R Sommer, YI Shirokova, JPA Lamers, K Kienzler, B Tischbein, ... Irrigation Science 27 (4), 331-346, 2009 | 88 | 2009 |
| Research prospectus: a vision for sustainable land management research in Central Asia R Gupta, K Kienzler, C Martius, A Mirzabaev, T Oweis, E De Pauw, ... ICARDA Central Asia and Caucasus program. Sustainable agriculture in Central …, 2009 | 70 | 2009 |
| Nitrogen in rainfed and irrigated cropping systems in the Mediterranean region J Ryan, H Ibrikci, R Sommer, A McNeill Advances in Agronomy 104, 53-136, 2009 | 67 | 2009 |
| Profitable and sustainable nutrient management systems for East and Southern African smallholder farming systems challenges and opportunities: A synthesis of the Eastern and … R Sommer, D Bossio, L Desta, J Dimes, J Kihara, S Koala, N Mango, ... CIAT, 2013 | 59 | 2013 |
| Significance of phosphorus for agriculture and the environment in the West Asia and North Africa region J Ryan, H Ibrikci, A Delgado, J Torrent, R Sommer, A Rashid Advances in Agronomy 114, 91-153, 2012 | 58 | 2012 |
| Application of secondary nutrients and micronutrients increases crop yields in sub-Saharan Africa J Kihara, GW Sileshi, G Nziguheba, M Kinyua, S Zingore, R Sommer Agronomy for Sustainable Development 37 (4), 1-14, 2017 | 57 | 2017 |
| CropSyst model evolution: From field to regional to global scales and from research to decision support systems CO Stöckle, AR Kemanian, RL Nelson, JC Adam, R Sommer, B Carlson Environmental modelling & software 62, 361-369, 2014 | 55 | 2014 |
| Fertilizer best management practices: A perspective from the dryland West Asia–North Africa region J Ryan, R Sommer, H Ibrikci Journal of agronomy and crop science 198 (1), 57-67, 2012 | 55 | 2012 |
| Model-based assessment of maize cropping under conventional and conservation agriculture in highland Mexico R Sommer, PC Wall, B Govaerts Soil and Tillage Research 94 (1), 83-100, 2007 | 52 | 2007 |
| Effect of shallow tillage, moldboard plowing, straw management and compost addition on soil organic matter and nitrogen in a dryland barley/wheat-vetch rotation R Sommer, J Ryan, S Masri, M Singh, J Diekmann Soil and Tillage Research 115, 39-46, 2011 | 51 | 2011 |
Paul VlekCenter for Development Research, University of BonnBestätigte E-Mail-Adresse bei uni-bonn.de
