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牡丹江地区,是一个七山一水二分田的丘陵山区。现有710万亩耕地,坡耕地面积占50%以上。水土流失严重,土壤肥力退化,粮食产量低而不稳。不仅影响了全区粮食的增产,而且大量泥沙俱下,涌入河道,抬高河床,淤塞水库、渠道等水利工程,淹压坡下良田,甚至冲毁民房及桥涵,造成人身伤亡,导致交通停顿,给国民经济各部门带来很大的
Mudanjiang area, is a seven mountains and one water two hilly hills. The existing 7.1 million mu of cultivated land, sloping farmland accounted for more than 50%. Serious soil erosion, degradation of soil fertility, low and unstable grain output. Not only affected the increase of grain output in the region, but also caused a lot of sediment, influx of rivers, riverbed uplift, silting up of reservoirs, channels and other water conservancy projects, flooding sub-sloping farmland and even the destruction of houses and bridges and culverts, resulting in personal injury and death, To all sectors of the national economy has brought great