He has worked om degradation of environmental pollutants, plant uptake of heavy metals, ecotoxicology and soil biology within a number of national and international projects. His expertize covers soil biology and soil health, fate of microplastics in soil, effects of biochar on soil and soil organisms, uptake of heavy metals and organic pollutants in plants and earthworms, degradation of organic pollutants in soil and compost, use of biochar in produced soil and "soil" for green roofs, mycorrhiza as mechanism for nutrient uptake in plants, etc.