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一、旱作农业在长治市粮食生产中的战略地位 长治市位于华北隆起地台的东南端,东部为太行山,西部为太岳山,境内山岭连绵,重峦迭嶂,丘陵起伏,盆地穿插,地形复杂,地貌类型多样。据1984年采用单公里布点“成数抽样法”实测,土石山区面积为1272万亩,占全市总面积的60.8%;黄土丘陵沟壑区面积为393.15万亩,占全市总面积的18.8%;黄土阶地区面积为281.4万亩,占全市总面积的13.4%;冲积平原区面积为147万亩,占全市总面积的7%;3°以上的坡耕地占总耕地面积的37%。
First, the dry land agriculture in Changzhi City, the strategic position of food production Changzhi City is located in the southeastern tip of North China uplift platform, the eastern part of the Taihang Mountains, Taiyue Mountain in the west, the territory of rolling hills, overlapping peaks, hilly, basin interludes, topography Complex, diverse types of landforms. According to 1984 “single sampling” sampling method, the area of rock and soil mountainous area is 12.72 million mu, accounting for 60.8% of the total area of the city; the area of loess hilly and gully area is 393.15 hectares, accounting for 18.8% of the total area of the city; loess The district area is 2.81 million mu, accounting for 13.4% of the total area of the city. The alluvial plain area is 1.47 million mu, accounting for 7% of the total area of the city. Sloping farmland above 3 ° occupies 37% of the total cultivated land.