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山东省昌潍地区位于山东半岛中北部,北临渤海,南缘泰沂山系,东南濒胶州湾。全区有15个县(市),291个人民公社,1,000万人口。耕地面积1,700万亩,其中山丘地700万亩,平原地600万亩,涝洼盐碱地400万亩。全区南高北洼,有潍河、弥河、白浪河、胶莱河等大小河流150多条。土地肥沃,年降雨量700毫米左右,平均气温12℃,无霜期170多天。 这里的自然条件对农业生产的发展本来是有利的,但是,在旧社会,由于“三座大山”的重重压迫,农业生产极其落后。岭地十年九旱,洼地十年九淹,亩产只有百斤左
Changwei in Shandong Province is located in the north-central Shandong Peninsula, north of the Bohai Sea, the southern margin of the Tay Yishan, southeast of Jiaozhou Bay. The region has 15 counties (cities), 291 communes, 10 million population. 1700 acres of arable land, of which 70000 acres of hills, plains 6000000 acres, waterlogging salina 4000000 mus. There are over 150 large and small rivers such as Weihe River, Mihe River, Bai Langhe River and Jiaolai River in the south of the region. Fertile land, annual rainfall of about 700 mm, the average temperature of 12 ℃, frost-free period of 170 days. The natural conditions here have always been beneficial to the development of agricultural production. However, in the old society, agricultural production was extremely backward due to the heavy pressure on the “three big mountains.” Ling nine years drought ten years, depression nine flooded ten years, only per kilogram yield per kilogram left