TY JOUR TI PRESERVATION OF LAND FERTILITY: THE ECONOMIC AND LEGAL ASPECT KW fertility KW dehumification KW soil degradation KW crop rotations KW soil erosion KW organic farming JO Society, law, statehood: retrospective and perspective AU Tukaeva, F.A. PY 2024 IS 2024 PB Ufa Law Institute of the Ministry of Internal Affairs of Russia