Peculiarities of agricultural engineering cultivation of european white birch seedlings in forest nurseries

Abstract

Data of researches on application of various agricultural practices are resulted at cultivation seedlings of birch. Optimum terms of sowing seeds which allow to raise the yield of a standard planting material and its biometrics are established. Various variants of seeds closing are described, allowing to enrich quality of a planting material of a birch. Optimum doses of the basic fertilizers and additional fertilizing at cultivation of birch seedlings and also technology of its cultivation in the closed ground are resulted.