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我省陇东旱塬地区,包括庆阳、平凉两地区14个县,总面积3.4万平方公里。境内有董志、早胜、屯字等26个塬面,历史上就是我省重要粮食产区之一。全区总人口318.8万人。总耕地面积1300多万亩,主要粮食作物为冬小麦、玉米和高粱,种值面积分别为500万亩、143万亩和65万亩,糜谷、洋芋在该区北部也是主要作物。该区塬面海拔1200—2000米,年日照时数2000—2400小时,年平均气温7—9℃,无霜期130—180天,年降水量400—600毫米,主要分布在7、8、9三个月,形成冬春干旱。多年来,由于“左”的影响,生产决策失误,轻视科学技术,不重视传统旱农耕作技术
Longdong Province in the Gansu Province, including Qingyang, Pingliang 14 counties in two regions, with a total area of 34,000 square kilometers. The territory of Dongzhi, Zaisheng, Tuen word 26 plateau, the history of our province is one of the important grain producing areas. The total population of 318.8 million. The total area of more than 1300 acres of arable land, the main food crops are winter wheat, corn and sorghum, the species area of 500 acres, 143 acres and 65 acres, Mi Valley, potato is also the main crop in the northern part of the area. Plateau surface elevation of 1200-2000 meters, the annual sunshine hours 2000-2400 hours, the annual average temperature of 7-9 ℃, frost-free period 130-180 days, the annual rainfall of 400-600 mm, mainly in the 7,8,9 three Month, the formation of winter and spring drought. Over the years, due to the influence of the “leftist”, mistakes in production decision-making, contempt for science and technology, and lack of emphasis on traditional dry farming techniques