| 摘要 |
FIELD: forestry. ^ SUBSTANCE: method involves planting larch in each fifth row of oak crops; planting larch in links composed of three seedlings, with buffer zone of two planting sites of basswood being left at both sides of each link of larch. ^ EFFECT: provision for additional care of plantations and protection of oak seedling from suppression by fast-growing coniferous plants. ^ 1 dwg |
