一、意义及现状我省经济林资源丰富,品种较多,历史悠久,用途广泛,生产潜力很大。近几年,在生产、科研上均取得了很大成绩。在山区建设中开展以经济林为主的多种经营,将资源优势变为商品优势,将单一产品变为多种产品,向林要油、要干果、要原料,努力提高单位面积产量和产信已成为重要的课题。经济林既是果树生产中经济栽培的树种,也是林业的重要组成部分。目前我省栽培较多的经济林树种有杏、枣、板栗、核桃、榛子、文冠果等 First, the meaning and status of economic forest in our province rich in resources, more varieties, has a long history, wide range of uses, great potential for production. In recent years, great achievements have been made in production and scientific research. In the construction of mountain areas to carry out a variety of economic-based forest management, resource advantages into commodity advantages, the single product into a variety of products, oil to the forest, to dry fruit, raw materials, and strive to improve yield per unit area and production Has become an important issue. Economic forest is not only the economic cultivation tree species in the production of fruit trees, but also an important part of forestry. At present, there are apricot, jujube, chestnut, walnut, hazelnut,