Karl-Johan Bergstrand

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

Programme director of studies, Horticultural Management programme (Trädgårdsingenjörsprogrammet).

Assistant group manager, Biosystem engineering in horticulture and agriculture. 

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:

Extensive tomato cultivation (Gyllenstiernska Krapperupsstiftelsen)

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