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- 針對風(fēng)沙區農防林單純林帶比重大、空間分布欠合理等問(wèn)題,提出景觀(guān)補救方法:引入新“斑塊”擴大混交比例,增加觀(guān)賞價(jià)值高的樹(shù)種種類(lèi),采取人工撫育、修枝等措施創(chuàng )造適宜的觀(guān)賞環(huán)境。In the light of pure forests and irrational spatial structure in the farmland shelterbelt in sandy area, the landscape remedies are also put forward, introducing new patches for enlarging ratio of mixed forest, increasing trees species of high value in viewing and admiring, creating suitable environment by artificial tending and pruning.