Nagy, P. T., Z. Szabó, M. Soltész, and J. Nyéki. “Effects of Irregular Cropping on Nutrient Uptake and Status of Apple Trees”. International Journal of Horticultural Science 16, no. 1 (January 3, 2010): 41–44. Accessed November 24, 2024. https://ojs.lib.unideb.hu/IJHS/article/view/861.