Authors
Karl-Johan I. Bergstrand
Department of Biosystems and Technology Unit for Horticultural Production Physiology Swedish University of Agricultural Sciences P.O. Box 103, SE-230 53, Alnarp, Sweden
© 2017 Karl-Johan I. Bergstrand, published by Polish Society for Horticultural Sciences (PSHS)
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.