Soil erosion as a factor of water contamination
1998
Kostadinov, S. (Univerzitet u Beogradu, Beograd (Yugoslavia). Sumarski fakultet) | Topalovic, M. | Markovic, S. | Miletic, Z.
As it consequence of soil erosion the contamination of water occurs. Namely, in the soil erosion process on the slopes of watersheds, together with soil particles (sediment) the organic matter, mineral fertilizers and nutrients are washed as well as pesticides applied in the agriculture production. By sediment reaching the water courses and reservoires the mechanical and chemical contamination of water is caused. In the paper sediment transport and losses of humus (organic matter) and nutrients (in the process of sediment transport) are presented in the three small torrential watershed in Western Serbia (Yugoslavia). Average annual specific transport of sediment was in the range between 50.0 cubic meter/year per square km (Lonjinski Potok) and 220 cubic meter/year per square km (Dubosnickog Potoka). In each tone of suspended sediment on average was 73.15-103.20 kg of humus, 2.88-5.93 kg of nitrogen, 0.63-1.50 kg of phosphorus, 2.63-3.81 kg of potassium, 6.76-14.27 kg of calcium and 5.18-9.33 kg of magnesium.
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