Tuba, Géza, Györgyi Kovács, and József Zsembeli. 2016. “Investigation of Soils of Stubbles of Winter Wheat and Winter Peas in Conventional and Reduced Tillage Systems”. Acta Agraria Debreceniensis, no. 67 (February): 95-99. https://doi.org/10.34101/actaagrar/67/1761.