Vegetable production
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Challenges in vegetable production include adequate nutrient supply, risks of nutrient leaching, intensive tillage and limited water availability during frequent drought periods. We are investigating cropping systems that can meet these challenges, such as plant-based fertilisation with compost or clover, cover cropping, reduced tillage using a roller-crimper, or covering vegetable beds with a mulch layer of a cereal-legume cut to maintain soil moisture.
Selected publications / talks
Ruch, Benjamin; Hefner, Margita; Sradnick, André (2023): Excessive Nitrate Limits the Sustainability of Deep Compost Mulch in Organic Market Gardening. In: Agriculture 13 (5), p. 1080. DOI: https://doi.org/10.3390/agriculture13051080.
Hefner, Margita; Sorensen, Jorn Nygaard; Visser, Richard de; Kristensen, Hanne Lakkenborg (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), pp. 1118-1144. DOI: https://doi.org/10.1080/21683565.2022.2104419.
Hefner, Margita; Gebremikael, Mesfin Tsegaye; Canali, Stefano; Sans Serra, F. Xavier; Petersen, Karen Koefoed; Sorensen, Jorn Nygaard et al. (2020): Cover crop composition mediates the constraints and benefits of roller-crimping and incorporation in organic white cabbage production. In Agriculture, Ecosystems & Environment 296, pp. 106908. DOI: https://doi.org/10.1016/j.agee.2020.106908.