Balláné Kovács A, Kremper R, Kincses I, Leviczky Ágnes. Influences of different organic fertilizers on nutrients of humic sandy soil and on the growth of Spinach (Spinacia oleracea L.). Acta agrar. Debr. [Internet]. 2016 Oct. 24 [cited 2024 Apr. 27];(70):23-8. Available from: https://ojs.lib.unideb.hu/actaagrar/article/view/1812