Justification of permissible residual oil content and products of its transformation in soils for agricultural land of the Chuvash Republic
Standards of permissible residual content limits of oil and its refinery products after recultivation and other restorative works for sod-podzol, light gray, gray, dark gray forest soils and alluvial sod soils of the Chuvash Republik are elaborated. Biological production criteria used for the substantiation of standards for agricultural lands are represented.