用种子园的种子育苗造林,可获得15—20％的增产效益,这早已被外国的实践所证实。建立种子园是营造大面积速生丰产林的物质基础。建设红松种子园,我国东北三省早在60年代初即已开始,但是已结实产种的,只有我省森林经营研究所的种子园。本溪县清河城林场,省森林经营研究所协作自1981年开始建红松种子园,至今已定植建 Seeding seedlings with seed orchard afforestation, access to 15-20% yield increase, which has long been confirmed by foreign practice. The establishment of seed orchard is to create a large area of ​​fast growing forest material base. The construction of Korean pine seed orchard, the three northeastern provinces of our country as early as the early 60s has already begun, but has a strong seed production, only the province’s Forest Management Institute seed garden. Benxi County Qinghe City Forest Farm, Institute of Forest Management Collaboration since 1981 to build red pine seed garden, has been planted built