TY JOUR TI DEPENDENCE OF SOIL STRUCTURAL AND FUNCTIONAL PROPERTIES ON ITS TREATMENT DURING MUSTARD GROWING KW tillage KW water-stable aggregates KW soil fractions KW structural coefficient KW structural-aggregate composition KW soil layers JO Vestnik of Kazan State Agrarian University AU Kuzina, E.V. PY 2022 IS 17 PB Kazan state agrarian University