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Climate change is a global problem and carbon sequestration is one of the possible ways to reduce it. After application of organic matter to the soil, most of the carbon is mineralized and released into the atmosphere where it becomes a part of the greenhouse gas. Biochar is also an organic matter but it contains carbon in a form that is mineralized slowly (hundreds to thousands years). In addition to these complex compounds, it also contains readily available carbon and also aromatic substances which may be toxic...

Water erosion is not only agricultural but also environmental problem. Water erosion washes off the finest particles that bind nutrients and other substances. These nutrients are piled up in the accumulation part of the slope. In the worst case, they are completely washed off the farmland, i.e. into water reservoirs and water courses. Additionally, damage to soil and its depletion of nutrients is reflected in lower yields. The aim of our study is to determine the effect of water erosion on total nitrogen content a...