Karl-Johan Bergstrand

Research and teaching within protected horticulture (especially artificial lighting, hydroponics and plant nutrition).

Programme director of studies, Horticultural Management programme.

Protected horticulture within the Bachelor- and Masters education in horticulture.

Course responsible and examiner: TN0327 Teknologi, mark, klimat för odling, BI1143 Odlingssystem i trädgårdsföretag, TD0023 Hortikulturella praktikkursen, examiner/assisting course responsible BI1233 Hydroponiska system inom odling och offentlig miljö.

Ongoing projects:

Plant factories (ÅForsk)

Optimization of energy use in greenhouse lighting (Energimyndigheten)

Optimizing P use in potted crops (C.F. Lundströms stiftelse)

University diploma in Horticultural mangement
Bachelor degree in Biology
Licentiate in Agronomy
PhD in Agronomy
Associate professor in Horticultural Sciences

PhD-student Md. Sani, assistant supervisor

Nasir Hossain Sani, Md., Guidini Lopes, I., Caspersen, S., Bergstrand, K.-J., Prade, T., Yong, J.W.H. 2025. Food waste-derived fertilizers: a sustainable alternative for the cultivation of crops. Scientia Horticulturae 353, 114469 https://doi.org/10.1016/j.scienta.2025.114469

Bergstrand, K.-J., Harju, V., Tossavainen, M. 2025. End-of-production treatments with narrow band lighting as a means of controlling the inner quality of lettuce and herbs. Scientia Horticulturae 352, 114428 https://doi.org/10.1016/j.scienta.2025.114428

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