Шагута, М. О., and Л. Д. Гулай. “BALANCE OF HUMUS OF SOILS OF VOLYN REGION AND WAYS OF HIS STABILIZING”. Visnyk of V. N. Karazin Kharkiv National University. Series Еcоlogy00 (April 15, 2016): 86-90. Accessed July 27, 2024. https://periodicals.karazin.ua/ecology/article/view/5531.