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胡桃楸是东北林区的主要珍贵树种之一,也是优良的军工,家具、建筑等用材。胡桃楸种仁营养丰富,又是高级补品,果实,树叶及树皮可做染料和药用等,它还可以改良土壤。随着森林资源的采伐,天然胡桃楸林已逐渐减少,为了加速培育胡桃楸的后备资源,必须以人工更新为主。但是,因为种粒大,苗圃育苗占地多,产苗量低,而且根子粗大,起苗,植苗都有一定困难。因此,大力进行直播造林是人工培育胡桃楸的良好途径。为此,松
Juglans mandshurica is one of the main precious tree species in the northeastern region and is also an excellent material for military, furniture and construction. Juglans nigra is rich in nutrients, but also a senior tonic, fruits, leaves and bark can do dyes and medicinal, it can also improve the soil. With the harvesting of forest resources, natural Juglans manshurica forest has been gradually reduced, in order to speed up the cultivation of Juglans mandshurica resources, we must rely mainly on artificial regeneration. However, because of the large seeds, seedling nurseries occupy more land, low seedling production, but also coarse roots, seedling, planting have some difficulties. Therefore, vigorous direct afforestation is a good way to cultivate Juglans mandshurica. To this end, pine