Nagy PT, Gonda I, Dremák P, Holb IJ. Study on the micronutrient content of soil and leaf of an organic apple orchard in Eastern Hungary. Int. j. hortic. sci. [Internet]. 2006 Jun. 20 [cited 2024 Apr. 28];12(3):7-11. Available from: https://ojs.lib.unideb.hu/IJHS/article/view/650