TY JOUR TI Determination of qualitative indicators of the work of the wide sprinkling machine KW sprinkler KW sprinkler KW deflector nozzle KW irrigation JO Melioration and Water Management AU Slabunov, V.V. AU Slabunova, A.V. AU Kupriyanov, A.A. PY 2020 IS 2020 PB ANO Editorial Board Melioration and water management