%0 Journal Article %T OPTIMIZATION OF HOLES IN THE MATRIX OF A SINGLE-SCREW EXTRUDER FOR PROCESSING OF POULTRY MANURE %A Potapov, M.A. %A Frolov, D.I. %A Kurochkin, A.A. %K matrix, extruder, optimization, manure, fertilizer %J Bulletin Samara State Agricultural Academy %D 2020 %N 5 %P 6 %I Samara State Agrarian University