Simkó A, Veres S. Evaluation of the correlation between SPAD readings and absolute chlorophyll content of maize under different nitrogen supply conditions. Acta agrar. Debr. [Internet]. 2019 Dec. 15 [cited 2024 Nov. 24];(2):121-6. Available from: https://ojs.lib.unideb.hu/actaagrar/article/view/3689