METHOD FOR GROWING FOREST CULTURE - PINE TREE

摘要

FIELD: silviculture. SUBSTANCE: seedlings are planted at a row space of 1 m and a planting pitch of 0.3 or 0.5 m. The best-quality seedlings are planted into each first and fifth rows. On expiration of 5-6 years each second and fourth rows are cut down and after 10-15 years, every third row. The other rows are thinned out. EFFECT: higher efficiency. 1 dwg