PAASONEN-KIVEKÄS, M., and M. YLI-HALLA. “A Comparison of Nitrogen and Carbon Reserves in Acid Sulphate and Non Acid Sulphate Soils in Western Finland”. Agricultural and Food Science 14, no. 1 (January 1, 2005): 57–69. Accessed June 17, 2024. https://journal.fi/afs/article/view/5796.