NAGY, P. T.; KÁTAI, J.; NYÉKI, J.; SZABÓ, Z. Effect of frost damage on leaf macronutrient status of eight apple cultivars in integrated apple orchard in Eastern-Hungary. International Journal of Horticultural Science, [S. l.], v. 14, n. 1-2., p. 37–40., 2008. DOI: 10.31421/IJHS/14/1-2./779. Disponível em: https://ojs.lib.unideb.hu/IJHS/article/view/779. Acesso em: 8 feb. 2023.