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樺树和橡树是我区主要乡土树种,分布地区很广,经济价值高。樺树和橡树的材质都很好,适合作建筑用材、电杆、矿柱、船舶、车辆等,枝桠、树皮、橡籽是各种工业原料,橡叶可养柞蚕,樺树枝和叶可作饲料。因此大力发展樺树和橡树,不论从用材方面还是从提供各种工业原料方面来讲,都有很重要的意义。现在樺树、橡树采种期就要到来,这一期本列发表两篇关于樺,橡树采种、播种育苗(樺)、造林(橡)方面的文章,供各地参考。
Birches and oaks are the main native species in our area, with a wide distribution and high economic value. Birch and oak are good materials, suitable for construction materials, poles, pillars, ships, vehicles, etc., branches, bark, rubber seed is a variety of industrial raw materials, oak can raise tussah, birch branches and leaves can be For feed. Therefore, to develop birch and oak, both in terms of timber or from the provision of various industrial raw materials terms, are of great significance. Now birch and oak trees are coming. This issue contains two articles on birch and oak tree planting, sowing seedlings (birch) and afforestation (oak) for reference.