%0 Journal Article %T ENERGY MATHEMATICAL MODEL OF A SPRAYER %A Khafizov, K.. %A Nurmiev, A.A. %A Khafizov, R.. %A Zalakov, N.R. %A Zaycev, P.V. %K machine-tractor unit, sprayer, energy consumption, yield loss, parameter optimization, optimization criterion %J Vestnik of Kazan State Agrarian University %D 2023 %N 18 %P 9 %I Kazan state agrarian University