Analiza pozyskiwania i zrywki drewna w drzewostanach jodłowych

摘要

The purpose of the research was to determine the working day structure, productivity of timber logging and skidding operations in fir stands under mountain conditions and the relationship between the time of technological operations (felling, delimbing, bucking - according to size-quality classification "KJW") and the diameter breast height of felled trees.