Karl-Johan Bergstrand

Presentation
Research and teaching within protected horticulture (especially artificial lighting, hydroponics and fertigation).
Group leader, research group Horticultural Production Physiology. Programme director of studies, Horticultural Science Master's programme
Teaching
Protected horticulture within the Bachelor- and Masters education in horticulture.
Course responsible and examiner BI1143 Odlingssystem i trädgårdsföretag, TD0012 Hortikulturella praktikkursen, examiner BI1233 Hydroponiska system inom odling och offentlig miljö, assisiting course responsible TN0327 Teknologi, mark, klimat för odling.
Research
Ongoing projects:
Plant factories (ÅForsk)
Optimization of energy use in greenhouse lighting (Energimyndigheten)
Optimizing P use in potted crops (C.F. Lundströms stiftelse)
Background
University diploma in Horticultural mangement
Bachelor degree in Biology
Licentiate in Agronomy
PhD in Agronomy
Associate professor in Horticultural Sciences
Supervision
PhD-student Md. Sani, assistant supervisor
Selected publications
Nasir Hossain Sani, Md., Amin, M., Bergstrand, K.-J., Caspersen, S., Prade, T., Yong, J.W.H. 2024. Harnessing biostimulants from anaerobic digestion by-products: An emerging avenue for high-value resource recovery towards sustainable agriculture, environment and bioeconomy. Environmental Chemistry Letters https://doi.org/10.1007/s10311-024-01801-8
Alsanius, B.W., Hellström, M., Bergstrand, K.-J., Vetukuri, R.R., Becher, P., Karlsson, M.E. 2024. The power of light from a non-phototropic perspective – phyllosphere dilemmas. Frontiers in Photobiology 2:1432066, https://doi.org/10.3389/fphbi.2024.1432066
Asp, H., Bergstrand, K.-J. 2024. Nutrient utilization and growth of tomato crops fertilized with anaerobic digestate. Scientia Horticulturae 329, 112986 https://doi.org/10.1016/j.scienta.2024.112986
Spendrup, S., Hultberg, M., Bergstrand, K.-J., Thörning, R. 2024. Consumer attitudes towards hydroponic cultivation of vegetables – specifically exploring the impact of the fertilization strategy (using mineral origin or food waste as fertilizers). Journal of food quality and preferences 113, 105085, https://doi.org/10.1016/j.foodqual.2023.105085
Karlsson M.E., Hellström M., Flöhr A., Bergstrand, K.-J., Alsanius, B.W. 2023. The power of light: impact on the performance of biocontrol agents under minimal nutrient conditions. Frontiers in Microbiology 14:1087639, https://doi.org/10.3389/fmicb.2023.1087639
Sunyer-Caldú, A., Golovko, O., Kaczmarek, M., Asp, H., Bergstrand, K.-J., Gil-Solsona, R., Gago-Ferrero, P., Díaz-Cruz, M.S., Ahrens, L. Hultberg, M. 2023. Occurrence and fate of contaminants of emerging concern and their transformation products after uptake by Pak Choi vegetable. Environmental pollution 319, 120958, https://doi.org/10.1016/j.envpol.2022.120958
Hultberg M., Asp H., Bergstrand K.-J., Golovko O. 2023. Production of oyster mushroom (Pleurotus ostreatus) on sawdust supplemented with anaerobic digestate. Waste management 155, 1-7. https://doi.org/10.1016/j.wasman.2022.10.025
Drottberger A., Fernqvist F., Spendrup S., Bergstrand K.-J., Ekelund-Axelson, L. 2022. Adoption of technical innovations in production of leafy vegetables in Sweden. European Journal of Horticultural Sciences 87(4):1-11, https://doi.org/10.17660/eJHS.2022/045
Hultberg M., Oskarsson C., Bergstrand K.-J., Asp H. 2022. Benefits and drawbacks of combined plant and mushroom production in substrate based partly on biogas digestate. Environmental Technology & Innovation 28, 102740, https://doi.org/10.1016/j.eti.2022.102740
Asp, H., Bergstrand, K.-J., Caspersen, S., Hultberg, M. 2022. Anaerobic digestate as fertilizer and peat substitute in pot production of basil. Biological Agriculture and Horticulture 38:4, 247-257, https://doi.org/10.1080/01448765.2022.2064232
Golovko, O., Ahrens, L., Schelin, J., Sörengård, M., Bergstrand, K.-J., Asp, H., Hultberg, M., Wiberg K. 2022. Organic micropollutants, food-borne pathogens and heavy metals in anaerobic digestate produced from digestion of food waste. Journal of Environmental Management 313, 114997, https://doi.org/10.1016/j.jenvman.2022.114997
Weimers K., Bergstrand K.-J., Hultberg M., Asp H. 2022. Liquid anaerobic digestate as sole nutrient source in soilless horticulture – or spiked with mineral nutrients for improved plant growth. Frontiers in Plant Science 13, 770179, https://doi.org/10:3389/fpls.2022.770179
Bergstrand K.-J. 2022. Organic fertilizers in greenhouse production systems – a review. Scientia Horticulturae 295, 110855,
https://doi.org/10.1016/j.scienta.2021.110855