TY JOUR TI WORKING UNIT OF THE FLAT CUTTER-SUBSOILER OF FERTILIZER KW working unit KW pore space KW fertilizers KW soil volumetric mass KW filtration properties KW soil JO Vestnik of Kazan State Agrarian University AU Maksimov, I.I. AU Vasiliev, A.A. AU Vasil'ev, S.A. AU Kazakov, Y.F. AU Zaycev, P.V. PY 2023 IS 18 PB Kazan state agrarian University