Dr. Margita Hefner

•    Freilandgemüsebau
•    Düngung
•    Stickstoffdynamik
•    Bodenbearbeitung
•    Wurzel-Boden-Interaktion
•    Bodenfruchtbarkeit

Hefner, M., Gebremikael, M.T., Kristensen, H.L., 2024. Soil microbial activity improved while intensifying vegetable production by use of plant-based fertilisers, cover crops and reduced tillage. Pedobiologia 102, 150926. https://doi.org/10.1016/j.pedobi.2023.150926

Ruch, Benjamin; Hefner, Margita; Bruns, Christian (2023): Vorsicht mit Kompost als Mulch. Ökologie & Landbau (4). www.oekologie-landbau.de

Pokhrel, Bhaniswor; Sorensen, Jorn Nygaard; Dresboll, Dorte Bodin; Hefner, Margita; Kristensen, Hanne Lakkenborg; Petersen, Karen Koefoed (2023): Organic acids to adjust pH of chicken manure extract for fertilization of potted coriander. In: Journal of Plant Nutrition https://doi.org/10.1080/01904167.2023.2240830

Ruch, B.; Hefner, M.; Sradnick, A. Excessive Nitrate Limits the Sustainability of Deep Compost Mulch in Organic Market Gardening. Agriculture 2023, 13, 1080. https://doi.org/10.3390/agriculture13051080

Hefner, M.; Sorensen, J. N.; Kristensen, H. L.; Xie, Y.; Petersen, K. K. (2021): Replacing animal manure with plant-based fertiliser in organic blackcurrant (Ribes nigrum L.) production. In: Scientia Horticulturae 285. DOI: ARTN.

Hefner, M.; Sorensen, J. N.; Visser, R. de; Kristensen, H. L. (2022): Sustainable intensification through double-cropping and plant-based fertilization: production and plant-soil nitrogen interactions in a 5-year crop rotation of organic vegetables. In: Agroecology and Sustainable Food Systems 46 (8), S. 1118–1144. DOI: 10.1080/21683565.2022.2104419.

Hefner, Margita; Canali, Stefano; Willekens, Koen; Lootens, Peter; Deltour, Pauline; Beeckman, Annelies et al. (2020a): Termination method and time of agro-ecological service crops influence soil mineral nitrogen, cabbage yield and root growth across five locations in Northern and Western Europe. In: European Journal of Agronomy 120, S. 126144. DOI: 10.1016/j.eja.2020.126144.

Hefner, Margita; Gebremikael, Mesfin Tsegaye; Canali, Stefano; Sans Serra, F. Xavier; Petersen, Karen Koefoed; Sorensen, Jorn Nygaard et al. (2020b): Cover crop composition mediates the constraints and benefits of roller-crimping and incorporation in organic white cabbage production. In: Agriculture, Ecosystems & Environment 296, S. 106908. DOI: 10.1016/j.agee.2020.106908.

Hefner, Margita; Labouriau, Rodrigo; Nørremark, Michael; Kristensen, Hanne Lakkenborg (2019): Controlled traffic farming increased crop yield, root growth, and nitrogen supply at two organic vegetable farms. In: Soil and Tillage Research 191, S. 117–130. DOI: 10.1016/j.still.2019.03.011.

Navarro-Miró, D.; Iocola, I.; Persiani, A.; Blanco-Moreno, J. M.; Kristensen, H. Lakkenborg; Hefner, M. et al. (2019a): Energy flows in European organic vegetable systems: Effects of the introduction and management of agroecological service crops. In: Energy 188, S. 116096. DOI: 10.1016/j.energy.2019.116096.

Navarro-Miró, David; Blanco-Moreno, José M.; Ciaccia, Corrado; Chamorro, Lourdes; Testani, Elena; Kristensen, Hanne Lakkenborg et al. (2019b): Agroecological service crops managed with roller crimper reduce weed density and weed species richness in organic vegetable systems across Europe. In: Agronomy for Sustainable Development 39 (6). DOI: 10.1007/s13593-019-0597-8.

Shanmugam, S.; Hefner, M.; Pelck, J. S.; Labouriau, R.; Kristensen, H. L. (2022a): Complementary resource use in intercropped faba bean and cabbage by increased root growth and nitrogen use in organic production. In: Soil Use and Management 38 (1), S. 729–740. DOI: 10.1111/sum.12765.

Shanmugam, Sindhuja; Hefner, Margita; Labouriau, Rodrigo; Trinchera, Alessandra; Willekens, Koen; Kristensen, Hanne Lakkenborg (2022b): Intercropping and fertilization strategies to progress sustainability of organic cabbage and beetroot production. In: European Journal of Agronomy 140. DOI: 10.1016/j.eja.2022.126590.