Jürgen K. Friedel
Jürgen K. Friedel
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Review of mechanisms and quantification of priming effects
Y Kuzyakov, JK Friedel, K Stahr
Soil Biology and Biochemistry 32 (11-12), 1485-1498, 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
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
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
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
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
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
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
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
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
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
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
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
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
Biodiversity indicators for European farming systems: a guidebook.
F Herzog, K Balázs, P Dennis, J Friedel, I Geijzendorffer, P Jeanneret, ...
ART-Schriftenreihe, 2012
‘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
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
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
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
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
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