Szabó, Anita. “The Effect of Increasing Compost Rates on the Yield and Nutrient Content of Ryegrass (Lolium Perenne L.)”. Acta Agraria Debreceniensis, no. 50 (December 16, 2012): 127–134. Accessed October 16, 2021. https://ojs.lib.unideb.hu/actaagrar/article/view/2578.