TY JOUR TI INCREASING THE EFFICIENCY OF THE USE OF THE PULL-TYPE SPRAYER BY REDUCING HARVEST LOSS KW machine-tractor unit KW sprayer KW computational experiment KW energy consumption KW yield loss KW parameter optimization KW optimization criterion JO Vestnik of Kazan State Agrarian University AU Nurmiev, A.A. AU Khafizov, K.. AU Khafizov, K.A. AU Zalakov, N.R. AU Maksimov, I.I. PY 2023 IS 18 PB Kazan state agrarian University