“Accumulation and Depletion of Fertilizer Originated Nitrate-N and Ammonium-N in Deeper Soil Layers”. COLUMELLA – Journal of Agricultural and Environmental Sciences 1, no. 2 (November 15, 2014): 7–16. Accessed November 21, 2024. https://journal.uni-mate.hu/index.php/columella/article/view/2676.