The subject of the studies was the soil with introduced solutions containing 0. 1% chitosan. These materials were obtained from the Institute of Chemical Fibres in L6d2 (in the form of a microcrystalline gel) and also from the Department of Food Biochemistry and Chemistry of the University of Agriculture in Lublin (in a liquid form. i. https://lecoureures.shop/product-category/course-a-pied-homme-vetements-cuissard/