... smaller number of crop (selected) trees in the first thinning and thinning intensities, taking account of economical factors [46, 51] In Slovenia, selective thinning is the main type of thinning [34] ... number of crop trees in the young stands and alteration of crop trees caused one of the main weaknesses of the selection thinning type, namely, high costs In the total stand tending costs, thinning ... modifications of selection thinning towards the designation of a smaller number of crop trees in the young stands compared to classical selection thinning are recommended In this phase thinning intensity...