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坝上地区张北县大河乡的主栽作物莜表，多年来，产量一直徘徊在50公斤左右。近年来，通过实施旱作农业措施，使莜麦产量成倍增加。1997年该乡133hm3区域化片采用综合配套技术，在百年不遇的严重旱灾情况下，仍获得平均667m2产2025公斤，比全县平均667m2产27公斤高175公斤，增产
Over the years, the output of main crops in Dahe Township, Zhangbei County, Bashang has been hovering around 50 kilograms. In recent years, the output of oat has doubled through the implementation of dry farming practices. In 1997, the township 133hm3 regionalization tablet adopts the integrated supporting technology and still obtains an average of 665m2 of 667m2 in a severe drought case of a hundred years, which is 175kg more than the average output of 667m2 in the county.