Keywords: wastewater, groundwater, drainage water, surface water, biogenic elements, chemical oxygen demand, heavy metals

// Мелиорация. – 2017. – №2(80).– С. 51—58

The effect of irrigation with clarified livestock sewage on the state of groundwater in the zone of influence of agricultural irrigation fields is studied. Quantitative parameters of the basic chemical parameters are given and their spatial structure is presented. Priority chemical pollutants of groundwater were biogenic forms of nitrogen, copper, zinc, cobalt, nickel, chromium.