Publications

Scientific Publications 2021

Blume, Leonie; Hoischen-Taubner, Susanne; Möller, Detlev; Sundrum, Albert (2021): Status quo of the nutritive and economic situation and potentials of the use of indigenous protein sources on organic poultry and pig farms. Part 1: Need-based nutrient supply, animal losses, resource efficiency and economic viability. Reports on Agriculture. https://doi.org/10.12767/BUEL.V99I2.349.

Blume, Leonie; Hoischen-Taubner, Susanne; Over, Caroline; Möller, Detlev; Sundrum, Albert (2021): Status quo of the nutritive and economic situation and potentials of the use of indigenous protein sources on organic poultry and pig farms. Part 2: On-farm value-added potentials of feeding management and the use of indigenous protein sources. Agriculture Reports. https://doi.org/10.12767/BUEL.V99I2.350.

Blumenstein, Benjamin; Knebl, Lucas, Möller, Detlev; Gattinger, Andreas; Brock, Christopher (2021): Carbon Balance and Economics: Trade-offs or Synergies in the Case of Anaerobic Digestion of Cereal Straw. Organic World Congress, Science Forum: 6th ISOFAR Conference co-organised with INRA, FiBL, Agroecology Europe, TP Organics and ITAB. Rennes, France (OWC2020-SCI-1292). Available online at https://orgprints.org/id/eprint/42189/.

Habel, Jonas; Uhlig, Verena; Hoischen-Tauber, Susanne; Schwabenbauer, Eva-Marie; Rumphorst, Theresa; Ebert, Lara, Möller, Detlev; Sundrum, Albert (2021): Income over service life cost - Estimation of individual profitability of dairy cows at time of death reveals farm-specific economic trade-offs. In: Livestock Science 254, pp. 104765. https://doi.org/10.1016/j.livsci.2021.104765.

Hoischen-Taubner, Susanne; Habel, Jonas; Uhlig, Verena; Schwabenbauer, Eva-Marie; Rumphorst, Theresa; Ebert, Lara; , Möller, Detlev; Sundrum, Albert (2021): The Whole and the Parts-A New Perspective on Production Diseases and Economic Sustainability in Dairy Farming. In: Sustainability 13 (16), p. 9044. https://doi.org/10.3390/su13169044.

Siegmeier, Torsten; Kluth, Jacob; Weedon, Odette; Finckh, Maria; Möller, Detlev (2021): Heterogeneous Populations Vs. Pure Line Varieties For Organic Winter Wheat Production In Germany - Economic Performance. Organic World Congress, Science Forum: 6th ISOFAR Conference co-organised with INRA, FiBL, Agroecology Europe, TP Organics and ITAB. Rennes, France (OWC2020-SCI-774). Available online at https://orgprints.org/id/eprint/42109/.

Sundrum, Albert; Habel, Jonas; Hoischen-Taubner, Susanne; Schwabenbauer, Eva-Marie; Uhlig, Verena; Möller, Detlev (2021): Proportion of dairy cows in profit - Meta-criterion to identify animal welfare relevant and economic needs for action. Reports on Agriculture. https://doi.org/10.12767/BUEL.V99I2.340.

Presentations 2020

Blumenstein, B. (2020) Logistics and cost evaluation of different straw utilization strategies. Paper presented at the C.A.R.M.E.N. conference "Straw - Grass - Biogas". February 12, 2020, Dingolfing.

Siegmeier, T. (2020): Bioenergy and Organic Farming. Paper presented at the BioFach Congress, Nuremberg on 14 February 2020.

Book contributions 2019

Siegmeier, T., Blumenstein, B. & Möller, D. (2019): Bioenergy Production and Organic Agriculture. In: Organic Farming. Global Perspectives and Methods. Eds. Chandran, S., Unni, M.R. & Thomas, S. Woodhead Publishing. 331-359. DOI: https://doi.org/10.1016/B978-0-12-813272-2.00012-4

Conference Papers 2019

Büchler, D.; Siegmeier, T.; Haase, T.; Möller, D. (2019): Practice research networks - An exploratory study with actors in organic agriculture in Hesse. In: Mühlrath, D. et al. (Eds.) Innovative thinking for sustainable agriculture and food. Contributions to the 15th Scientific Conference on Organic Agriculture, Kassel, March 5-8, 2019, Verlag Dr. Köster, Berlin.

Burwitz, L.; Siegmeier, T.; Weedon, O.; Finckh, M.R.; Möller, D. (2019): Winter wheat composite cross populations in organic farming - strengths and weaknesses from the perspective of supply chain actors. In: Mühlrath, D. et al. (Eds.) Innovative thinking for sustainable agriculture and food. Contributions to the 15th Scientific Conference on Organic Agriculture, Kassel, March 5-8, 2019, Verlag Dr. Köster, Berlin.

Siegmeier, T.; Kluth, J.; Weedon, O.; Finckh, M.R.; Möller, D. (2019): Economic performance of organic winter wheat production with composite cross populations. European Conference on Crop Diversification. 18.9. - 21.9.2019 in Budapest.

Siegmeier, T. Kluth, J.; Weedon, O.; Finckh, M.R.; Möller, D. (2019): Production risk in organic winter wheat cultivation - heterogeneous populations vs. pure line varieties. European Conference on Crop Diversification. 18.9. - 21.9.2019 in Budapest.

Siegmeier, T.; Kluth, J.; Weedon, O.; Finckh, M.R.; Möller, D. (2019): Profitability and stability of organic winter wheat production with composite cross-populations. In: Mühlrath, D. et al. (Eds.) Innovative thinking for sustainable agriculture and food. Contributions to the 15th Scientific Conference on Organic Agriculture, Kassel, March 5-8, 2019, Verlag Dr. Köster, Berlin.

Siegmeier, T.; Kluth, J.; Weedon, O.; Finckh, M.R.; Möller, D. (2019): Production risk in organic winter wheat production - composite cross-populations vs. line varieties. In: Mühlrath, D. et al. (Eds.) Innovative thinking for sustainable agriculture and food. Contributions to the 15th Scientific Conference on Organic Agriculture, Kassel, March 5-8, 2019, Verlag Dr. Köster, Berlin.

Scientific journal articles (peer review) 2018

Blumenstein, B., Siegmeier, T., Selsam, F., Möller, D., 2018. A case of sustainable intensification: stochastic farm budget optimization considering internal economic benefits of biogas production in organic agriculture. Agricultural Systems 159, 78-92. https://doi.org/10.1016/j.agsy.2017.10.016

Scientific journal articles 2018

Wicklow, D., Möller, D., Ivemeyer, S., 2018. calves to the dairy cow! In Ecology & Agriculture (3), 37-39. https://www.wiso-net.de/document/OELA__B0AB9FE5C45CCF059F5B048E9C5BDDAC

Book chapters 2018

Möller, D. (2018): Farm economics. In Wachendorf, M., Bürkert, A., Graß, R. (eds.): organic farming. Uni-Taschenbücher GmbH. Stuttgart: Verlag Eugen Ulmer (UTB, 4863), pp. 282-296.

Conference papers 2018

Baresel J. P., Backes G., Baćanović J., Bülow L., Frese L., Vijaya Bhaskar A. V., Finckh M., Knapp S., Möller D., Reents H. J., Schmidt J. H., Simon R., Unger S. & Weedon O. (2018): INSUSFAR: Innovative approaches to optimise genetic diversity for sustainable farming systems of the future. Inter-specific diversity of wheat for increased resilience and high yields and system specific adaptability. In: Bacanovic - Šišic, J., Dennenmoser, D., Finckh, M.R.:  EUCARPIA Symposium on Breeding for Diversification, pp. 13-15, Kassel University Press, Witzenhausen. http://www.upress.uni-kassel.de/katalog/abstract.php?978-3-7376-0462-8

Siegmeier, T.; Möller, D. (2018): Economics and risk of cultivating genetically heterogeneous winter wheat populations and line varieties in organic farming. In: Schriften der Gesellschaft für Wirtschafts- und Sozialwissenschaften des Landbaues e.V., vol. 4, pp. 377-379, Kiel.

Book contributions 2017

Blumenstein, B. (2017): Sustainable Intensification of Organic and Low-Input Agriculture through Integrated Bioenergy Production - System Analysis, Economic Implications, and Risk Assessment. Dissertation at the Faculty of Organic Agricultural Sciences, University of Kassel, Germany. Kassel University Press, Kassel

Conference contributions (peer review) 2017

Baresel, J.P., Backes, G., Bülow, L., Finckh, M.R., Frese, L., Knapp, S., Möller, D., Reents, H.J., Siegmeier, T., Simon, R., Weedon, O., 2017. Innovative Approaches to Optimize Genetic Diversity for Sustainable Farming Systems of the Future (INSUSFAR): project overview, in Wolfrum, S., Heuwinkel, H., Reents, H.J., Wiesinger, K., Hülsbergen, K.-J. (Eds.), . Verlag Dr. Köster, Berlin, pp. 146-147. http://orgprints.org/31618/

Blumenstein, B., C. Brock, T. Dannehl, and D. Möller (2017): Humus replacement strategies from an economic perspective: necessary evil or profitable investment? In: Heuwinkel, H., S. Wolfrum, K.-J. Hülsbergen, H. J. Reents & K. Wiesinger (eds.): Verlag Dr. Köster, Berlin. PP. 300-303. http://orgprints.org/31806/

Blumenstein, B., Finckh, M. R., Möller, D., Schmidt, J. H. & Wittwer, R. (2017): OSCAR: Production economic implications of intercropping and mulching systems - An interdisciplinary application of Monte Carlo simulations. Schriften der Gesellschaft für Wirtschafts- und Sozialwissenschaften des Landbaues e.V., vol. 52, 2017, pp. 429 - 431.

Blumenstein, B., Finckh, M.R., Schmidt, J.H., Westaway, S., Brandsæter, L.O., Möller, D. (2017): Implications of subsidiary cropping and tillage system on economics and production risk. In: Rahmann et al. (2017): Innovative Research for Organic 3.0 - Proceedings of the Science Track at the Organic World Congress, November 9-11, 2017 in Delhi, India. Sprint/Delhi, pp 686-689. https://www.thuenen.de/media/publikationen/thuenen-report/Thuenen-Report_54_Vol2.pdf

Brock, C., B. Blumenstein, T. Dannehl, and D. Möller (2017): Options to secure humus supply in livestock-less organic farming considering humus balance and farm economics. In Heuwinkel, H., K. Wiesinger, S. Wolfrum, K.-J. Hülsbergen & H. J. Reents (Eds.). Pp. 296-299, Verlag Dr. Köster, Berlin. http://orgprints.org/31808/

Brock, C., T. Dannehl, B. Blumenstein, and D. Möller (2017): Humus replacement strategies in livestock-less organic farming. In Heuwinkel, H., H. J. Reents, K. Wiesinger, K.-J. Hülsbergen & S. Wolfrum (Eds.). Pp. 292-295, Verlag Dr. Köster, Berlin. http://orgprints.org/31807/

Froschhammer, P. and Siegmeier, T. (2017): Farm economic comparison of mixed cropping of soybean and gold of pleasure with pure cropping of soybean. In: Wolfrum S., Heuwinkel H., Reents H. J., Wiesinger K. & Hülsbergen K.-J. (Eds.). Verlag Dr. Köster, Berlin. PP. 82-83. http://orgprints.org/31587/

Leisen, E. and V. Uhlig (2017): Pasture extent and profitability - 9-year evaluation of 39 organic dairy farms. In: Wolfrum, S., H. Heuwinkel, K. Wiesinger, H. J. Reents & K.-J. Hülsbergen (eds.). Verlag Dr. Köster, Berlin. PP. 496-499. http://orgprints.org/31614/

Maaß, H., B. Blumenstein, C. Bruns, and D. Möller (2017): Alternatives of clover-grass utilization in low and no-livestock farms. In Heuwinkel, H., K. Wiesinger, H. J. Reents, S. Wolfrum & K.-J. Hülsbergen (Eds.). Pp. 310-313, Verlag Dr. Köster, Berlin. orgprints.org/31859/

Mühlrath, D., T. Siegmeier, D. Möller, and J. Heß (2017): The organic control process in Germany from an expert perspective. In: Heuwinkel, H., S. Wolfrum, K.-J. Hülsbergen, K. Wiesinger & H. J. Reents (Eds.): Verlag Dr. Köster, Berlin. S.816-819. http://orgprints.org/31854/

Uhlig, V., E. Leisen, and D. Möller (2017): Economic efficiency of pasture-based organic dairy farming: first results on effect relationships with selected animal health parameters. In: Heuwinkel, H., K.-J. Hülsbergen, H. J. Reents, S. Wolfrum & K. Wiesinger (Eds.). Verlag Dr. Köster, Berlin. PP. 476-479. http://orgprints.org/31867/

Presentations 2017

Blumenstein, B. (2017): Implications of subsidiary cropping and tillage system on economics and production risk. Presentation at the Science Track at the Organic World Congress - Innovative Research for Organic 3.0. November 11, 2017. Delhi, India.

Blumenstein, B. (2017): Biogas production in organic farm systems: Farm economic evaluation. Presentation at the C.A.R.M.E.N expert meeting "Farm biogas systems in organic farming", Plankstetten, 25.10.2017.

Blumenstein, B. (2017): Manure-based biogas plants in organic farming: economic viability and potentials (AT). Presentation at the expert meeting "Small (slurry) biogas plants, Fraunhofer Institut IWES, Kassel, 4.10.2017.

Möller, D. Maaß, H.; Blumenstein, Benjamin and Bruns, Christian (2017) Alternatives of clover grass use in low and no livestock farms. Presentation: 14th Scientific Conference on Organic Farming, Weihenstephan Campus, Freising-Weihenstephan, March 07-10, 2017.

Scientific journal articles (peer review) 2016

Blumenstein, B., T. Siegmeier, and D. Möller (2016): Economics of anaerobic digestion in organic agriculture: between system constraints and policy regulations. Biomass and Bioenergy 86: 105-119.

Conference papers (peer review) 2016

Baresel, J. Peter, Backes, Gunter, Bülow, Lorenz, Finckh, Maria R., Frese, Lothar, Knapp, Samuel, Möller, Detlev, Reents, Hans Jürgen, Siegmeier, Torsten, Simon, Robert, Weedon, Odette (2016): Innovative approaches to optimize genetic diversity for sustainable farming systems of the future: quantifying ecological performance. ESA Congress 5-9 Sep 2016 Edingburgh. Aspects of Applied Biology.

Leisen, E. and Uhlig, V. (2016) Economic efficiency under different grazing levels - 9-year evaluation of 39 organic dairy farms. 60th Annual Meeting of the AGGF 2016 in Luxembourg: Sustainable dairy production: research and practice in dialogue. PP. 163-166. http://www.lfl.bayern.de/mam/cms07/ipz/dateien/aggf_2016_leisen_uhlig.pdf

Uhlig, V., Leisen, E., Möller, D. (2016): Entrepreneurial levers to improve the profitability of pasture-based dairy farming systems. 60th Annual Meeting of the AGGF 2016 in Luxembourg: Sustainable dairy production: research and practice in dialogue. PP. 155-158. http://www.lfl.bayern.de/mam/cms07/ipz/dateien/aggf_2016_uhlig_et_al.pdf

Book chapters 2016

Siegmeier, T. (2016): The Alliance of Bioenergy Production and Organic Farming: Scientific Interest, Research Topics, and System Implications. kassel university press GmbH. 

OSCAR (2016): Optimising Subsidiary Crop Applications in Rotations, Final report. 39. pp. Available at: http://cordis.europa.eu/docs/results/289/289277/final1-final-report-complete.pdf

Other (e.g. reviews, journalistic publications, etc.)  2016

Blumenstein, B. & Tkacz, M. (2016): Traditional and modern haymaking techniques in comparison: working time and cost recording in draft horse operation. Strong Horses 77, 36-39

Monographs 2016

Siegmeier, T. (2016): The Alliance of Bioenergy Production and Organic Farming: Scientific Interest, Research Topics, and System Implications. kassel university press, 128 pp.

Scientific journal articles (peer review) 2015

Blumenstein, B., T. Siegmeier, C. Bruckhaus, V. Anspach, and D. Moeller (2015): Integrated Bioenergy and Food Production-A German Survey on Structure and Developments of Anaerobic Digestion in Organic Farming Systems. Sustainability 7 (8): 10709-10732. 

Brümmer, B., U. Hamm, R. Marggraf, D. Möller, O. Musshoff, M. Qaim, A. Spiller, L. Theuvsen, S. von Cramon-Taubadel, and M. Wollni (2015): New Theories and Methods in Agricultural Economics and Social Sciences Report on the 54th Annual Conference of the German Society of Economic and Social Sciences in Agriculture from September 17 to 19, 2014. Reports on Agriculture 93 (2).

Siegmeier, T., B. Blumenstein, and D. Möller (2015): Farm biogas production in organic agriculture: system implications. Agricultural Systems 139: 196-209.

Conference papers (peer review) 2015

Biewer, S., J. Froharth, and D. Möller (2015): Eco-oriented start-ups from universities: motivation and challenges. In: Häring, A.M. et al. (Eds.) Am Mut hängt der Erfolg - Rückblicke und Ausblicke auf die ökologische Landbewirtschaftung. 13th Scientific Conference on Organic Agriculture Eberswalde, Verlag Dr. Köster, Berlin. PP. 399-400. http://orgprints.org/27219/

Berger, H., T. Rentschler, J. Tschich, T. Siegmeier, D. Möller, and U. Richter (2015): Development and operation of a mobile free-range system for organic rabbit fattening. In: Häring, A.M. et al. (Eds.) Am Mut hängt der Erfolg - Rückblicke und Ausblicke auf die ökologische Landbewirtschaftung. 13th Scientific Conference on Organic Agriculture Eberswalde, Verlag Dr. Köster, Berlin. PP. 399-400. http://orgprints.org/27115/

Blumenstein, B., T. Siegmeier, F. Hofmann, F. Gerlach, U. Zerger, and D. Möller (2015): Biogas in organic agriculture: economic efficiency in the field of tension between production system and policy. In: Häring, A.M. et al. (Eds.) Am Mut hängt der Erfolg - Rückblicke und Ausblicke auf die ökologische Landbewirtschaftung. 13th Scientific Conference on Organic Agriculture Eberswalde, Verlag Dr. Köster, Berlin. PP. 622-625. http://orgprints.org/27195/

Blumenstein, B., T. Siegmeier, F. Selsam, F. Hofmann, U. Zerger, and D. Möller (2015): Impacts of integrated biogas production on ecological farm systems: monetary valuation. In: Häring, A.M. et al. (Eds.) Am Mut hängt der Erfolg - Rückblicke und Ausblicke auf die ökologische Landbewirtschaftung. 13th Scientific Conference on Organic Agriculture Eberswalde, Verlag Dr. Köster, Berlin. PP. 626-629. http://orgprints.org/27199/

Mühlrath, D., J. Schumacher, C. Salomé, and D. Möller (2015): Fairness and satisfaction in the Swiss organic market: new empirical results and recent developments. In: Häring, A.M. et al. (Eds.) Am Mut hängt der Erfolg - Rückblicke und Ausblicke auf die ökologische Landbewirtschaftung. 13th Scientific Conference on Organic Agriculture Eberswalde, Verlag Dr. Köster, Berlin. PP. 647-650. orgprints.org/27228/

Project reports 2015

Hofmann, Frank; Weddige, Ulf; Blumenstein, Benjamin; Möller, Detlev; Grieb, Beatrice; Mäder, Rolf; Zerger, Uli; Gerlach, Florian; Jaensch, Volker and Hartmann, Katharina (editor): Fachagentur Nachwachsende Rohstoffe e.V. (ed.) (2015) Biogas plants in organic agriculture. http://orgprints.org/29559/

Presentations 2015

Blumenstein, B. (2015): Economic evaluation of small farm biogas plants in organic farming. Presentation at the FNR conference "Chances of manure fermentation in small farm biogas plants", April 15, 2015, Ulm, Germany. 

Blumenstein, B. (2015): Economic evaluation of organic biogas - perspectives from Germany. Presentation at the SustainGas final event. March 11, 2015, Brussels, Belgium

Other (e.g. reviews, journalistic publications, etc.)  2015

Blumenstein, B., Siegmeier, T. & Möller, D. (2015): Biogas in organic farming: economic production possible in individual cases. Special issue manure small-scale plants. Biogas Journal 2015, pp. 9-13.

Grieb, B., Hofmann, F. & Blumenstein, B. (2015): Fertile soil even in livestock-free organic farming. Ecology and Agriculture 02/2015, 34-36.

Scientific journal articles (peer review) 2014

Siegmeier, T., B. Blumenstein, and D. Möller (2014): Joining agricultural bioenergy and organic farming systems? A literature review. Organic Agriculture 4:243-268. https://link.springer.com/article/10.1007/s13165-014-0079-x

Conference papers (peer review) 2014

Blumenstein, B., Siegmeier, T. & D. Möller (2014): Biogas in Organic Agriculture: Utopia, Dead-end or Role Model - A Synopsis. In: Rahmann, G. & Aksoy, U. (Eds.): Proceedings of the 4th ISOFAR Scientific Conference, Building Organic Bridges, at the Organic World Congress 2014, 13-15 Oct., Istanbul, Turkey.

Mühlrath, D., D. Möller, and J. Schumacher (2014): Fairness and satisfaction in business relationships: results of a survey among Swiss organic farmers and buyers. In: Rahmann, G. & U. Aksoy (Eds.): Building Organic Bridges, vol. 4, pp. 1027-1030, Johann Heinrich von Thünen Institute, Braunschweig, Germany. http://orgprints.org/23946/

Siegmeier, T., Blumenstein, B., Mühlrath, D. & D. Möller (2014): Structure and development of scientific journal publications on organic agriculture: A scientometric review. In: Rahmann, G. & Aksoy, U. (Eds.): Proceedings of the 4th ISOFAR Scientific Conference, Building Organic Bridges, at the Organic World Congress 2014, 13-15 Oct, Istanbul, Turkey.

Project Reports 2014

Böhm, H., R. Brandhuber, C. Bruns, M. Demmel, M. R. Finckh, J. Fuchs, A. Gronle, O. Hensel, G. Lux, D. Möller, H. Schmidt, K. Schmidtke, A.-K. Spiegel, W. Vogt-Kaute, D. Werren, K.-P. Wilbois, M. Wild, and D. Wolf (2014): Grain legumes and soil fertility - strategies for successful cultivation. Federal Agency for Agriculture and Food (BLE), Bonn, Germany. orgprints.org/25326/

Böhm, H., B. Bohne, R. Brandhuber, C. Bruns, M. Demmel, M. R. Finckh, J. G. Fuchs, A. Gronle, O. Hensel, G. Lux, D. Möller, H. Schmidt, K. Schmidtke, A.-K. Spiegel, W. Vogt-Kaute, K.-P. Wilbois, M. Wild, and D. Wolf (2014): Grain legumes and soil fertility - Strategies for a successful cultivation. http://orgprints. org/31992/

Presentations 2014

Blumenstein, B. (2014): Investment management: planning and calculating investments correctly. Lecture at the Bioland Young Farmers' Day 2014. 06 February 2014, Kloster Plankstetten.

Siegmeier, T. (2014): Economic efficiency of clover-grass fermentation on organic farms. Presentation at the GÄA Winter Conference, Rittergut Limbach on 30 January 2014.

Other (e.g., reviews, journalistic publications, etc.)  2014

Bühle, L., Hensgen, F., Wachendorf, M., Blumenstein, B., Biewer, S., Möller, D. (2014): Burning up the meadow. DLG Mitteilungen 5/14

Scientific journal articles (peer review) 2013

Siegmeier, T. and D. Moeller (2013): Mapping research at the intersection of organic farming and bioenergy - A scientometric review. Renewable & Sustainable Energy Reviews 25: 197-204.

Conference papers (peer review) 2013

Mühlrath, Daniel; Möller, Detlev and Schumacher, Jörg (2013) Fair buyer-supplier relationships in Swiss organic agriculture: expectations and satisfaction of trading partners. Presentation at: 12th Scientific Conference on Organic Agriculture, Rheinische Friedrich-Wilhelms-Universität, Bonn, March 5-8, 2013. http://orgprints.org/21554/

Wolf, D., D. Möller, H. Schmidt, A. Gronle, and H. Böhm (2013): Winter pea cultivation: economic aspects for practice farms. In: D. Neuhoff, C. Stumm, S. Ziegler et al. (Eds.) Beiträge zur 12. Wissenschaftstagung Ökologischer Landbau Ideal und Wirklichkeit: Perspektiven ökologischer Landbewirtschaftung, pp. 144-145, Verlag Dr. Köster, Berlin. http://orgprints.org/21570/

Wolf, D., D. Möller, H. Schmidt, G. Lux, and K. Schmidtke (2013): Economic viability of green manure chaff: a risk-based system assessment. In: D. Neuhoff, C. Stumm, S. Ziegler et al. (Eds.) Contributions to the 12th Scientific Conference on Organic Farming Ideal and Reality: Perspectives on Organic Land Management, pp. 648-651, Verlag Dr. Köster, Berlin. http://orgprints.org/21408/

Wolf, D., D. Möller, H. Schmidt, M. Wild, and M. Demmel (2013): Monetary effects of adapted internal tire pressure in arable farming with special reference to peas. In: D. Neuhoff, C. Stumm, S. Ziegler et al. (Eds.) Beiträge zur 12. Wissenschaftstagung Ökologischer Landbau Ideal und Wirklichkeit: Perspektiven ökologischer Landbewirtschaftung. Verlag Dr. Köster, Berlin. PP. 38-41. http://orgprints.org/21407/

Blumenstein, B. and D. Möller (2013): Comparison of utilization options of extensive eco-grassland - A stochastic risk analysis. In: In: D. Neuhoff, C. Stumm, S. Ziegler et al. (Eds.) Contributions to the 12th Scientific Conference on Organic Farming Ideal and Reality: Perspectives on Organic Land Management. Verlag Dr. Köster, Berlin. PP. 710-713. http://orgprints.org/21563/

Blumenstein, B. and Möller, D. (2013): Economic evaluation of land use systems of extensive grassland. In: Bahrs, E., Becker, T., Birner, R., Brockmeier, M., Dabbert, S., Doluschitz, R., Grethe, H., Lippert, C., Thiele, E. (Eds.): Schriften der Gesellschaft für Wirtschafts- und Sozialwissenschaften des Landbaus e.V., Vol. 48, 473-474.

Siegmeier, T. (2013): Scientometric analysis of scientific journal literature on organic farming. Paper at: 12th Scientific Conference on Organic Agriculture, Rheinische Friedrich-Wilhelms-University, Bonn, March 5-8, 2013.

Siegmeier, T., M.-L. Hertkorn, D. Mühlrath, and D. Möller (2013): Structure and development of scientific journal literature on organic agriculture. In: D. Neuhoff, C. Stumm, S. Ziegler et al. (eds.) Beiträge zur 12. Wissenschaftstagung Ökologischer Landbau Ideal und Wirklichkeit: Perspektiven ökologischer Landbewirtschaftung. Verlag Dr. Köster, Berlin. S. 780-783

Project reports 2013

Wilbois, K.-P., H. Böhm, B. Bohne, R. Brandhuber, C. Bruns, M. Demmel, M. Finckh, J. Fuchs, A. Gronle, O. Hensel, J. Heß, R. Jörgensen, G. Lux, P. Mäder, D. Möller, H. Schmidt, K. Schmidtke, A.-K. Spiegel, L. Tamm, W. Vogt-Kaute, M. Wild, and D. Wolf (2013): Increasing the value of organically grown cash crops by optimizing soil fertility management. Research Institute of Organic Agriculture (FiBL), D-Frankfurt am Main.

Scientific journal articles (peer review) 2012

Blumenstein, B., L. Bühle, M. Wachendorf, and D. Möller (2012): Economic assessment of the integrated generation of solid fuel and biogas from biomass (IFBB) in comparison to different energy recovery, animal-based and non-refining management systems. Bioresource Technology 119: 312-323.

Conference papers (peer review) 2012.

Abdalla, I., S. B. Abdalla, K. El-Siddig, D. Moeller, and A. Buerkert (2012): Effects of red brick production on land use, household income, and greenhouse gas emissions in Khartoum, Sudan. Journal of Agriculture and Rural Development in the Tropics and Subtropics 113 (1): 51-60.

Blumenstein, B. and D. Möller (2012): Economic evaluation of land use systems of extensive grassland. 52nd Annual Conference, Stuttgart, Germany, September 26-28, 2012.

Blumenstein, B. and D. Möller (2012): On the economics of bio-energy recovery from semi-natural grasslands. In: Golinski, P., Warda, M., Stypinski, P. (eds.): Grassland - a European resource? Grassland Science in Europe, vol. 17, pp. 765-767, Grassland Science in Europe.

Meyerhoff, H.C.; Siegmeier, T.; Möller, D. (2012): Weder Familienbetrieb Noch Hofgemeinschaft-Eine Explorative Studie Zur Organisation In "Gemeinschaftshöfen ". Contribution to the 52nd Annual Conference of GEWISOLA "Challenges of Global Change for Agricultural Development and World Food Supply" University of Hohenheim, September 26-28, 2012.

Mühlrath, D., D. Möller and J. Schumacher (2012a): Fairness in business relationships of Swiss organic agriculture: results of an empirical investigation. Schriften der Gesellschaft für Wirtschafts- und Sozialwissenschaften des Landbaues - GEWISOLA, volume 47.

Mühlrath, D., D. Möller, and J. Schumacher (2012b): Fairness and satisfaction in the Swiss organic market: new empirical results and recent developments. Schriften der Gesellschaft für Wirtschafts- und Sozialwissenschaften des Landbaues - GEWISOLA, vol. 47.

Siegmeier, T.; Meyerhoff, H.C. (2012): Neither family farm nor farm community - A study on the organizational form of "community farms". Poster presentation at the 39th Annual Meeting of the Swiss Society for Agricultural Economics and Agricultural Sociology, March 23, 2012, Spiez, CH.

Siegmeier, T. and D. Möller (2012): Simulation of intra-farm effects in the integration of biogas plants in organic farming - results of a system analysis. In: Schriften der GeWiSoLa, Schriften der Gesellschaft für Wirtschafts- und Sozialwissenschaften des Landbaues e.V., vol. 47, pp. 445-446, Halle.

Wolf, D., D. Möller, H. Schmidt, M. Wild, R. Brandhuber, and  M. Demmel (2012): Taking the load off the peas! Economics of reducing tire pressure in pea cultivation. Schriften der Gesellschaft für Wirtschafts- und Sozialwissenschaften des Landbaues - GEWISOLA, Volume 47.

Project reports 2012

Meyer, R. and C. Priefer (2012): Organic farming and bioenergy production - conflicting goals and possible solutions. Final report on the TA project. TAB work report, Berlin.

Presentations 2012

Blumenstein, B. (2012): Biogas production in organic farming from an economic perspective. Presentation at the conference of the series "Forum Nachhaltigkeit", 19 November 2012, Evangelische Akademie Hofgeismar.

Blumenstein, B. (2012): Highlights from research in organic biogas - structures, economics, opportunities and risks. Presentation at SustainGas - Workshop. October 16, 2012, Berlin

Siegmeier, T. (2012): Biogas in organic agriculture - opportunities and risks for farms, the environment and the organic sector. Presentation at the annual general meeting of Naturland e.V., Rhineland-Palatinate on March 8, 2012.

Siegmeier, T. (2012): Biogas in organic farming. Presentation at the annual general meeting of Naturland e.V., Haus Düsse, NRW the 9th of February 2012.

Other (e.g. reviews, journalistic publications, etc.)  2012

Wachendorf, M., Hensgen, F., Bühle, L., Möller, D., Blumenstein, B. (2012): Producing pellets and biogas from grass. top agrar, energy magazine, 1/2012, 28-31.

Hensgen, F., Bühle, L., Wachendorf, M., Blumenstein, B., Möller, D. (2012): Energy from conservation grassland. International project on bioenergy also in the Vogelsberg. Hessenbauer 2/2012, 15-17.

Allahverdiyeva, N., D. Möller and U. Hampicke (2011): Cooperation opportunities and evaluation of agricultural enterprises from an economic point of view in the Gandja-Gazakh region/Azerbaijan. In: Heißenhuber, A. (Ed.): Azerbaijan - 20 years of transformation in agriculture, pp. 67-73, Shaker, Freising.

Anspach, V., T. Siegmeier, and D. Möller (2011): Biogas: Implications on productivity of organic farming systems. In: Proceedings of the 3rd ISOFAR conference, International Society of Organic Research, Namyangju, South Korea.

Anspach, V.; Siegmeier, T.; Möller, D. (2011): Biogas production in organic agriculture: structures and perspectives. kassel university press, 70 pp.

Anspach, V., T. Siegmeier, D. Möller (2011): Ecological intensification of organic farming systems through integration of biogas production. Paper presented at the 3rd Scientific Conference of the International Society of Organic Agriculture Research (ISOFAR), 28.9.-1.10.2011 in Gyeonggi Paldang, South Korea.

Blumenstein, B. and D. Möller (2011a): Bio-energy from semi-natural grasslands? Socio-economics and risk assessment of alternative grassland utilisation in disadvantaged areas. In: Pötsch, E. M., B. Krautzer & A. Hopkins (eds.): Grassland Farming and Land Management Systems in Mountainous Regions, Grassland Science in Europe, vol. 16, pp. 311-313, Grassland Science in Europe.

Blumenstein, B. and D. Möller (2011b): On the economics of organic grassland and alternative bio-energy systems - A risk modelling approach. In: Neuhoff, D., N. Halberg, I. A. Rasmussen, J. Hermansen, C. Ssekyewa & S. M. Sohn (Eds.): Proceedings of the 3rd ISOFAR conference, pp. 64-67, International Society of Organic Research (ISOFAR), Namyangju, South Korea.

Blumenstein, B., L. Bühle, and D. Möller (2011): Energy from extensive grassland? - Alternative bioenergy systems in organic agriculture. In: Leithold, G., K. Becker, C. Brock, S. Fischinger, A.-K. Spiegel, K. Spory, K.-P. Wilbois & U. Williges (Eds.): It's all about the big picture:  11th Scientific Conference on Organic Agriculture, pp. 244-247, Dr. Köster, Berlin.

Blumenstein, B., M. Wachendorf, L. Bühle, and D. Möller (2011): Electricity and fuel from organic grassland. Ecology and Agriculture 160, 27-29.

Herold, P. and B. Blumenstein (2011): Use of working horses - A forward-looking alternative. Ecology and Agriculture 160 , 22-23.

Meyerhoff, H. C., T. Siegmeier, D. Mühlrath, and D. Möller (2011): Cooperation of independent farms on a common farm site: the "community farm" organizational model. In: Leithold, G., K. Becker, C. Brock, S. Fischinger, A.-K. Spiegel, K. Spory, K.-P. Wilbois & U. Williges (Eds.): It's all about the whole:  11th Scientific Conference on Organic Farming, pp. 236-239, Dr. Köster, Berlin. http://orgprints.org/17588/

Siegmeier, T., O. Hensel, D. Möller, S. Hartmann (2011): An online decision support tool for planning and improving waste heat utilization from agricultural biogas plants. Contribution to the 2nd congress "Biogas in Progress", 30.3.-1.4.2011 in Stuttgart-Hohenheim.

Siegmeier, T., D. Möller, and V. Anspach (2011): Use of conventionally produced cosubstrates for biogas production in organic farming. In: Leithold, G., K. Becker, C. Brock, S. Fischinger, A.-K. Spiegel, K. Spory, K.-P. Wilbois & U. Williges (Eds.): Es geht ums Ganze: 11. Wissenschaftstagung Ökologischer Landbau, pp. 221-224, Dr. Köster, Berlin.

Siegmeier, T., D. Möller, V. Anspach (2011): Use of conventionally produced cosubstrates for biogas production in organic farming. Paper at: 11th Scientific Conference on Organic Agriculture, March 15-18, 2011 in Giessen, Germany. 

Siegmeier, T., D. Möller (2011): Simulation of on-farm effects during the integration of biogas plants in organic farming - results of a system analysis. Contribution to the 51st conference of the Society for Economic and Social Sciences of Agriculture (GEWISOLA), September 28-30, 2011 in Halle a. d. Saale.

Siegmeier, T. (2011) Biogas in organic farming - substrate supply and economic viability after the EEG amendment. Presentation at the Hessian Ministry of Environment, Food, Agriculture and Consumer Protection (HMUELV), Wiesbaden on November 10, 2011.

Siegmeier, T.; Anspach, V.; Möler, D. (2011): Sustainability vs. performance? Feeding strategies and substrate supply of biogas plants on German organic farms. Poster presentation at the 19th European Biomass Conference and Exhibition, Berlin 6-10.6.2011.

Siegmeier, T. (2011): Principles vs. yields? - Discourse on co-digestion of conventional substrates in biogas production in organic farming. Leading and designing a discussion workshop for the 11th Scientific Conference on Organic Agriculture, Giessen, March 15-18, 2011.

Siegmeier, T. (2011): Utilization of waste heat from bioenergy production in agriculture (NABEL). Presentation at the 1st Innovation Forum for Renewable Resources and Bioenergy, 28.2.-1-3.2011 in Kassel.

Wachendorf, M., D. Möller, L. Bühle, F. Hensgen, and B. Blumenstein (2011): Conservation of conservation grassland through decentralized energy recovery. Interim results of the PROGRASS model project. Solar Age (2): 28-33.

2010

Abdalla, I. F., S. B. Abdalla, D. Möller, J. Gebauer, K. El-Siddig, and A. Bürckert (2010): Resource Constraints in Urban Food Production: A Survey of Red Bricks Kilns in Khartoum State, Sudan. In: Tielkes, E. (ed.): World Food System: Tropentag 2010, p. 500, DITSL, Witzenhausen.

Allahverdiyeva, N. and R. Neudert (2010): Profitability of transhumance farms and improvement possibility by cooperation. In: ASAU (ed.):pp. 32-33, Azerbaijan State Agriculture University, Ganja.

Anspach, V. (2010): Status quo, perspectives and economic potentials of biogas production on farms in organic agriculture. Kassel University Press, Kassel.

Anspach, V., F. Gerlach, R. Graß, J. Herrle, J. Heß, H.M. Paulsen, T. Siegmeier, M. Szerencsits, G. Wehde, M. Wiggert, K.P. Wilbois, H. Zeller, U. Zerger (2010): Bioenergy production and energy crop use in organic farming. Expert opinion for the German Bundestag, submitted to the Office of Technology Assessment (TAB).

Anspach, V., T. Siegmeier, and D. Möller (2010): Biogas production in organic farming. Kassel University Press, Kassel.

Siegmeier, T. (2010): Status of biogas production in organic farming. Presentation at "Joint symposium of Bioland Beratung GmbH & of Naturland Fachberatung" on December 7 in Fürstenfeldbruck.

Siegmeier, T. (2010): Use of conventionally produced substrates for biogas production in organic farming. Presentation at the TAB expert workshop "Bioenergy and Organic Agriculture" on October 15 in Frankfurt/Main.

2009

Anspach, V. and D. Möller (2009): Concepts and strategies of biogas production in organic farming - results of the Bio-Biogas-Monitoring 2007. In: Mayer, J., T. Alföldi, F. Leiber, D. Dubois, P. Fried, F. Heckendorn, E. Hillmann, P. Klocke, A. Lüscher, S. Riedel, M. Stolze, F. Strasser, M. van der Heijden & H. Willer (eds.): Values - Pathways - Effects: 10th Scientific Conference on Organic Agriculture, vol. 1, pp. 390-393, Dr. Köster, Berlin.

Anspach, V., J. Herrmann, and D. Möller (2009): Status quo of organic beekeeping in Germany. In: Mayer, J., T. Alföldi, F. Leiber, D. Dubois, P. Fried, F. Heckendorn, E. Hillmann, P. Klocke, A. Lüscher, S. Riedel, M. Stolze, M. Strasser, M. van der Heijden & H. Willer (Eds.): Values - Ways - Effects: 10th Scientific Conference on Organic Agriculture, pp. 388-391, Verlag Dr. Köster, Berlin.

Behrens, M., D. Möller, T. Haase, and J. Heß (2009): Economic evaluation of the integration of temporary nature conservation measures in organic farming -example flowering strips. In: Mayer, J., T. Alföldi, F. Leiber, D. Dubois, P. Fried, F. Heckendorn, E. Hillmann, P. Klocke, A. Lüscher, S. Riedel, M. Stolze, F. Strasser, M. van der Heijden & H. Willer (Eds.): Values - Paths - Effects: 10th Scientific Conference on Organic Farming, Vol. 1, pp. 438-441, Dr. Köster, Berlin.

Bickel, M., D. Mühlrath, and K. Zander (2009): Purchase motives and willingness to pay for producer fair milk products of Upländer Bauernmolkerei. In: Mayer, J., T. Alföldi, F. Leiber, D. Dubois, P. Fried, F. Heckendorn, E. Hillmann, P. Klocke, A. Lüscher, S. Riedel, M. Stolze, M. Strasser, M. van der Heijden & H. Willer (Eds.): Values - Paths - Effects: 10th Scientific Conference on Organic Agriculture, Vol. 2, pp. 352-355, Dr. Köster, Berlin.

Blumenstein, B. and D. Möller (2009): Draft horse use in agriculture: motivation, working time and profitability. In: Mayer, J., T. Alföldi, F. Leiber, D. Dubois, P. Fried, F. Heckendorn, E. Hillmann, P. Klocke, A. Lüscher, S. Riedel, M. Stolze, F. Strasser, M. van der Heijden & H. Willer (Eds.): Values - Paths - Effects: 10th Scientific Conference on Organic Agriculture, pp. 298-301, Dr. Köster, Berlin.

Lange, K. (2009): Wirtschaftlichkeit der Sauenhaltung im ökologischen Landbau - Optimierungspotential durch Gruppenhaltung ferkelführender Sauen und prophylaktische Tiergesundheitsmaßnahmen. Cuvillier, Göttingen.

Lange, K. and D. Möller (2009): Economics of organic piglet production - A decision support tool. In: Mayer, J., T. Alföldi, F. Leiber, D. Dubois, P. Fried, F. Heckendorn, E. Hillmann, P. Klocke, A. Lüscher, S. Riedel, M. Stolze, M. Strasser, M. van der Heijden & H. Willer (Eds.): Values - Paths - Effects: 10th Scientific Conference on Organic Farming, pp. 272-275, Dr. Köster, Berlin.

Neudert, R. and N. Allahverdiyeva (2009a): The economic performance of transhumant sheep farming in Azerbaijan and prospects for its future development. South Caucasian Annals of Agrarian Science 7 (4): 153-157.

Neudert, R. and N. Allahverdiyeva (2009b): Within the Bounds of Economic and Ecological Possibilities - Prospects for Pastoralism in Azerbaijan. In: Tielkes, E. (ed.): Biophysical and Socio-economic Frame Conditions for the Sustainable Management of Natural Resources: Tropentag 2009, p. 350, DITSL, Witzenhausen.

2008

Aliyev, Z., N. Allahverdiyeva, and R. Schlauderer (2008): Lack of Liquidity and Financing Possibilities for Agricultural Family Farms in Azerbaijan: The Example of Mountain Grazing Systems in the Region of Gandja-Gazakh. In: Tielkes, E. (Ed.): Competition for Resources in a Changing World: Tropentag 2008, p. 66, Cuvillier, Göttingen.

Anspach, V. and D. Möller (2008): Biogas - green gold from the field? Economic potentials and ecological sustainability of biogas plants. In: The critical agricultural report 2008, Agriculture as an energy producer, AgrarBündnis.

Möller, D. and V. Anspach (2008a): Biogas and Organic Farming: Empirical evidence on production structure and economics in Germany. In: Neuhof, D., N. Halberg, T. Alfldi, W. Lockeretz, A. Thommen, I. Rasmussen, J. Hermansen, M. Vaarst, L. Lock, F. Carporali, H. Jensen, P. Migliorini & H. Willer (Eds.): Proceedings of the  2nd ISOFAR conference, Vol. 2, International Society of Organic Research (ISOFAR), Bonn.

Möller, D. and V. Anspach (2008b): Economics of biogas production in organic farming, results of an empirical study. In: Glebe, T., A. Heißenhuber, L. Kirner, S. Pöchtrager & K. Salhofer (eds.): Agrar- und Ernährungswirtschaft im Umbruch: Schriften der GEWISOLA, vol. 43, pp. 571-574, Landwirtschaftsverlag, Münster-Hiltrup.

2007

Anspach, V. and D. Möller (2007a): Biogas production in organic farming - opportunities and challenges from a farm management perspective. In: Kuhlmann, F. & M. Schmitz (Eds.): Good Governance in Agricultural and Food Science: Schriften der GEWISOLA, Vol. 42, pp. 485-486, Landwirtschaftsverlag, Münster-Hiltrup.

Anspach, V. and D. Möller (2007b): Structures of agricultural biogas production in organic farming in Germany. In: Zikeli, S., W. Claupein, S. Dabbert, B. Kaufmann, T. Müller & A. Valle Zárate (Eds.): Between Tradition and Globalization: 9th Scientific Conference on Organic Agriculture, pp. 433-436, Dr. Köster, Berlin.

van Elsen, T., Godt, J., T. Haase, T. Fricke, M. Wachendorf, H. Sauke, D. Möller, M. Quintern, M. Otto, E. Kölsch, T. Baars, and J. Heß (2007): E+E project "Integration of nature conservation objectives into organic farming using the example of the Hessian State Domain Frankenhausen - measures in the managed area". In: Zikeli, S., W. Claupein, S. Dabbert, B. Kaufmann, T. Müller & A. Valle Zárate (Eds.): Between Tradition and Globalization: 9th Scientific Conference on Organic Agriculture, pp. 879-882, Dr. Köster, Berlin.

Rolfsmeyer, D. and D. Möller (2007): Area performance and labor completion costs in the ridge cultivation system compared to an optimized ploughing system in organic farming. In: Zikeli, S., W. Claupein, S. Dabbert, B. Kaufmann, T. Müller & A. Valle Zárate (Eds.): Between tradition and globalization: 9th Scientific Conference on Organic Agriculture, pp. 725-727, Dr. Köster, Berlin.

Wolf, D. and D. Möller (2007): Farm management of on-farm accounting of nitrogen in farm accounting in organic farming. In: German Agricultural Society (ed.): Betriebszweigabrechnung im ökologischen Landbau. Works of the DLG, Vol. 202, pp. 50-58, DLG-Verlag, Frankfurt / Main.

2006 and before

Schroers, J. O. and D. Möller (2005): Location orientation of organic farming between cost leadership and niche production. In: Heß, J. & G. Rahmann (Eds.): End of the niche: 8th Scientific Conference on Organic Agriculture, pp. 463-466, Kassel University Press, Kassel.

Möller, D. (1996): ECOSIM - A dynamic system simulation model for farms in organic agriculture. Gießener Schriften zur Agrar- und Ernährungswissenschaft, Vol. Heft 23, DLG-Verlag, Frankfurt / Main.

Blumenstein, B., Siegmeier, T. and Möller, D. (2015): Biogas in organic farming: economic production possible in individual cases. Biogas Journal, pp. 9-13.

Grieb, Beatrice; Hofmann, F.; Blumenstein, B. (2015): Fertile soil even in livestock-free organic farming. In: Ecology & Agriculture (2), pp. 34-36.

Hensgen, F., L. Bühle, M. Wachendorf, B. Blumenstein, and D. Möller (2012): Energy from conservation grassland, LW Hessenbauer, 2 (2012).

Wachendorf, M., F. Hensgen, L. Bühle, D. Möller, and B. Blumenstein (2012): Producing pellets and biogas from grass, Top Agrar - Energie-Magazin, 1 (2012).

Blumenstein, B., M. Wachendorf, L. Bühle, and D. Möller (2011): Electricity and fuel from organic grassland, Ecology and Agriculture, 160 4/2011 (2011).

Herold, P. and B. Blumenstein (2011): Use of working horses - A forward-looking alternative, Ecology and Agriculture, 160 (2011).

Möller, D., R. Döbelt, E. Schön-Petersen and V. Schulze (2011): A look at the organic model country, DLG Mitteilungen, 10 (October 2011).

Wachendorf, M., D. Möller, L. Bühle, F. Hensgen, and B. Blumenstein (2011): Conservation of conservation grassland through decentralized energy recovery, Solarzeitalter, 2 (June 2011).

BLE (2010): Development of biogas production in organic farming. Created on: 17.6.2010, Accessed at: www.oekolandbau.de/erzeuger/oekonomie/biogas/biogaserzeugung-im-oekologischen-landbau/ (Accessed on: 10.3.2011 ).

Anspach, V. and D. Möller (2007): Operating biogas plants economically, Hessenbauer/Pfälzer Bauer (2007).

Wolf, D. and D. Möller (2007): Farm management of on-farm nitrogen accounting in organic farming. In: DLG (ed.): Betriebszweigabrechnung im ökologischen Landbau. Arbeiten der Deutschen Landwirtschafts Gesellschaft, vol. 202, pp. 50-58, DLG-Verlag, Frankfurt / Main.

Anspach, V. and S. Kahnert (2006): Freier Handel in der Diskussion - Von Verlierern und Gewinner der Agrarpolitik, Bionachrichten (June 2006).

Anspach, V. and D. Möller (2006a): Is biogas also worthwhile for organic farmers?, Land & Forst (December 2006).

Anspach, V. and D. Möller (2006b): How economical can biogas plants be in organic farming?, Bauernblatt (December 2006).

Möller, D. (2006): Is biogas a new opportunity?, DLG-Mitteilungen (May 2006).

Richardt, K. (2005a): The genetic engineering boom in the USA, Bauernzeitung (December 2005).

Richardt, K. (2005b): Influential connections, Gen-ethischer Informationsdienst GID (September 2005).