TY JOUR TI INFLUENCE OF BASIC TREATMENT TECHNIQUES OF FALLOW FIELDS ON THE NITRATE NITROGEN REGIME IN AGROCHERNOZEM KW agrochernozem KW dump tillage KW minimal tillage KW zero tillage KW pure fallow KW nitrate nitrogen JO Bulletin of KSAU AU Kurachenko, N.L. AU Kolesnikov, A.S. PY 2023 IS 0 PB Krasnoyarsk State Agrarian University