The role of soil certificate in the agro-ecological assessment of natural and anthropogenic gray forest soils evolution on the example of JSC "Sugar mill «Otradinsky» of MTSENSK district of Orel region

The soil certificate is prepared for each agro-ecological group of soil which regulates the basic diagnostic and analytical characteristics of the soil and its ecological condition. Cartograms of humus content, acidity, plant food elements provision, heavy metal content are applied to the soil certificate. Degradation processes and their intensity are reflected in the soil certificate. Thus, Soil Certificate is a document that reflects not only the agro-ecological state of the soil, but also the rate of change of agronomic and ecological state in the agricultural use of soil.