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一皖西丘陵地区(六安专区),位于大别山东麓,淮阳山脈东北向斜貫中部,是为江淮分水脊。北有淠、史、汲、丰等河汇流淮河,南为长江水系,杭埠、丰乐等河注入巢湖,构成岗岭起伏的丘陵地貌。向西南地势升高,起伏增大,由深丘陵而到山区。向东南地势平缓,逐漸展开,由緩坡丘陵而到圩畈。丘陵区耕地近六百万亩,占全区总耕地的50%,田多地少,主产水稻;历年水稻产量,占全区水稻总产量的70%左右。年雨量一千至一千二百毫米,年平均温度摄氏十五度左右,无霜期二百
An area of West Anhui hilly (Luan area), located in the eastern foot of the Dabie Mountains, Huaiyang Mountains northeast oblique central, is Jianghuai points ridge. In the north there is a river that flows into the Huaihe River in the north and flows into the Huaihe River in the south for the Yangtze River water system. The ports of Hangbu and Fengle are injected with Chaohu Lake to form the hilly landform of the Kongling Ridge. To the southwest topography, ups and downs increase, from the deep hills and mountains. To the southeast flat, gradually started by the gentle slope hills and fairy. Hilly area nearly 6 million mu of arable land, accounting for 50% of the total area of ?? the arable land, less land and more, the main production of rice; rice production over the years, accounting for about 70% of the region’s total output of rice. Annual rainfall of 1000 to 1200 millimeters, the average annual temperature of fifteen degrees Celsius, frost-free period of two hundred