Comparative Analysis of Thinning Techniques in Garchinsky Forestry

Thinning treatment is a necessary and complex forestry activity. The experimental results from plantations established 20-30 years ago explains some concepts of the theory, practice, methods, regime thinning on permanent sample plots pine stands in Gatchinsky Leningrad region were shown this article. Choosing right method allows to optimize yield, productivity mortality stand. On other hand, we observed improved merchantability stand, reduced time for forestation, simplified programs. Crown less preferred than bottom thinning, as it leads deterioration quality trees an increase their mortality. inexpediency preliminary has been established. Tree improvement remaining nutrient utilization greatly increased. must necessarily be combined with fertilization. without fertilization show worst results. In general, findings article can used improve approach or regions North Russian Federation.