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黄土丘陵沟壑区是我国黄土高原面积最大的一个地类,水土流失严重。解放以来,党和国家非常重视这个地区的开发利用。三十年来在研究治理上,取得了一定的成效。但是,长期以来人们认为在黄土丘陵区造林是“成林不成材,成材不成林。”到底为什么?笔者认为:这个问题的实质是如何利用自然资源,因势利导、扬长避短,发挥林业在黄土丘陵区建设中的一个重要的战略问题。
The loess hilly and gully area is the largest land area of the Loess Plateau in China with serious soil erosion. Since the liberation, the party and the state attach great importance to the development and utilization of this area. In thirty years of research and management, has achieved some success. However, for a long time people think that afforestation in the loess hilly region is “no forest into a timber, timber is not a forest.” In the end why? The author believes that: the essence of this problem is how to use natural resources, make the best use of the situation, avoid weaknesses, forestry in the Loess Plateau In an important strategic issue.