FIELD: silviculture. SUBSTANCE: seedlings are grown from hybrid seeds obtained by crossing the best trees. Annual seedlings are sorted for height, individually pricked out and reschooled, and small plants are further grown. Then seedlings of equal height and habitues are planted individually on cultivated forest territory. EFFECT: higher efficiency. 2 cl
Authors
Dates
1995-07-09—Published
1992-03-26—Filed