METHOD FOR FORMATION OF NORWAY SPRUCE WOOD OF INCREASED DENSITY AND STRENGTH Russian patent published in 2018 - IPC A01G23/00 

Abstract RU 2648415 C1

FIELD: forestry.

SUBSTANCE: invention relates to forestry, in particular to the formation of high-quality branchless wood of Norway spruce. At the age of 15–20 years in the homogeneous forests or wild stands of Norway spruce, having a high growth class (Ia-II), target large trees are selected. On the selected trees, snedding is carried out, 5–6 upper live whorls are left. With an annual growing of one upper whorl, also annually snedding of one lower is carried out, keeping the original 5–6 whorls.

EFFECT: increases wood density and strength.

1 cl, 2 tbl

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RU 2 648 415 C1

Authors

Antonov Oleg Ivanovich

Dates

2018-03-26Published

2017-02-09Filed