| Review of mechanisms and quantification of priming effects Y Kuzyakov, JK Friedel, K Stahr Soil Biology and Biochemistry 32 (11-12), 1485-1498, 2000 | 3131 | 2000 |
| Methane production through anaerobic digestion of various energy crops grown in sustainable crop rotations T Amon, B Amon, V Kryvoruchko, A Machmüller, K Hopfner-Sixt, ... Bioresource technology 98 (17), 3204-3212, 2007 | 690 | 2007 |
| Effects of long-term waste water irrigation on soil organic matter, soil microbial biomass and its activities in central Mexico JK Friedel, T Langer, C Siebe, K Stahr Biology and Fertility of Soils 31, 414-421, 2000 | 313 | 2000 |
| Composition of hydrolysable amino acids in soil organic matter and soil microbial biomass JK Friedel, E Scheller Soil Biology and Biochemistry 34 (3), 315-325, 2002 | 187 | 2002 |
| Gains to species diversity in organically farmed fields are not propagated at the farm level MK Schneider, G Lüscher, P Jeanneret, M Arndorfer, Y Ammari, D Bailey, ... Nature communications 5 (1), 4151, 2014 | 160 | 2014 |
| Soil microbial properties and the assessment of available soil organic matter in a haplic luvisol after several years of different cultivation and crop rotation JK Friedel, JC Munch, WR Fischer Soil Biology and Biochemistry 28 (4-5), 479-488, 1996 | 154 | 1996 |
| Impact of reduced tillage on soil organic carbon and nutrient budgets under organic farming F Gadermaier, A Berner, A Fließbach, JK Friedel, P Mäder Renewable Agriculture and Food Systems 27 (1), 68-80, 2012 | 150 | 2012 |
| Comparison and improvement of methods for determining soil dehydrogenase activity by using triphenyltetrazolium chloride and iodonitrotetrazolium chloride JK Friedel, K Mölter, WR Fischer Biology and fertility of soils 18, 291-296, 1994 | 127 | 1994 |
| Improved phosphorus recycling in organic farming: navigating between constraints K Moeller, A Oberson, EK Bünemann, J Cooper, JK Friedel, N Glaesner, ... Advances in agronomy 147, 159-237, 2018 | 117 | 2018 |
| Effect of catch crops on N dynamics and following crops in organic farming T Rinnofner, JK Friedel, R De Kruijff, G Pietsch, B Freyer Agronomy for sustainable development 28, 551-558, 2008 | 110 | 2008 |
| Long-term soil accumulation of potentially toxic elements and selected organic pollutants through application of recycled phosphorus fertilizers for organic farming conditions L Weissengruber, K Möller, M Puschenreiter, JK Friedel Nutrient Cycling in Agroecosystems 110, 427-449, 2018 | 68 | 2018 |
| Characterization factors for land use impacts on biodiversity in life cycle assessment based on direct measures of plant species richness in European farmland in the ‘Temperate … MT Knudsen, JE Hermansen, C Cederberg, F Herzog, J Vale, ... Science of the total environment 580, 358-366, 2017 | 67 | 2017 |
| Responses of plants, earthworms, spiders and bees to geographic location, agricultural management and surrounding landscape in European arable fields G Lüscher, P Jeanneret, MK Schneider, LA Turnbull, M Arndorfer, ... Agriculture, Ecosystems & Environment 186, 124-134, 2014 | 63 | 2014 |
| Nitrogen pools and turnover in arable soils under different durations of organic farming: II: Source‐and‐sink function of the soil microbial biomass or competition with growing … JK Friedel, D Gabel, K Stahr Journal of Plant Nutrition and Soil Science 164 (4), 421-429, 2001 | 62 | 2001 |
| Biodiversity indicators for European farming systems: a guidebook. F Herzog, K Balázs, P Dennis, J Friedel, I Geijzendorffer, P Jeanneret, ... | 61 | 2012 |
| Lucerne management in an organic farming system under dry site conditions G Pietsch, JK Friedel, B Freyer Field Crops Research 102 (2), 104-118, 2007 | 61 | 2007 |
| ‘Effective micro-organisms’(EM): an effective plant strengthening agent for tomatoes in protected cultivation RK Ndona, JK Friedel, A Spornberger, T Rinnofner, K Jezik Biological Agriculture & Horticulture 27 (2), 189-203, 2011 | 55 | 2011 |
| Low cost technologies for enhancing N and P availability and maize (Zea mays L.) performance on acid soils RN Onwonga, JJ Lelei, B Freyer, JK Friedel, SM Mwonga, P Wandhawa World Journal of Agricultural Sciences 4 (5), 862-873, 2008 | 53 | 2008 |
| Carbon isotope discrimination and water use efficiency relationships of alfalfa genotypes under irrigated and rain-fed organic farming A Moghaddam, A Raza, J Vollmann, MR Ardakani, W Wanek, G Gollner, ... European Journal of Agronomy 50, 82-89, 2013 | 50 | 2013 |
| Can agroforestry improve soil fertility and carbon storage in smallholder banana farming systems? J Zake, SA Pietsch, JK Friedel, S Zechmeister‐Boltenstern Journal of Plant Nutrition and Soil Science 178 (2), 237-249, 2015 | 47 | 2015 |
