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玉门市地处嘉峪关外,深居大陆内部,海拔高度在1,400-2,600米之间,多为戈壁沙滩,气候寒冷干燥。年平均降水量仅有49毫米,年蒸发量达3,039.5毫米。年温差和日温差都较大,年平均气温为5.3℃,7月份平均最高气温为29.5℃,1月份平均最低气温是-23.5℃。冬季很少降雪。年平均相对湿度仅43％。无霜期120天。伟大的无产阶级文化大革命,解放了群众的思想,便玉门市不仅种成冬小麦,而且面积一年比一年扩大,产量逐年提高。1968-1970年小面积试种。1971年播种面积907亩,亩产460斤,比春小麦每亩净增47.3斤。1972年扩大到8,383亩,亩产470斤,比春小麦亩产净增85斤。1973年种冬麦23,555亩,占小麦总面积的21.6％,亩产541斤,比春小麦每亩净增67斤。1974年播种面积扩大到39,310亩,占小麦总面积的
Located in Jiayuguan, Yumen City is located in the interior of China with an altitude of 1,400-2,600 meters, mostly the Gobi Desert. The climate is cold and dry. The average annual precipitation is only 49 mm, annual evaporation of 3,039.5 mm. Annual temperature difference and daily temperature difference are large, the annual average temperature of 5.3 ℃, July average maximum temperature of 29.5 ℃, the average January minimum temperature is -23.5 ℃. Little snowfall in winter. The average annual relative humidity is only 43%. Frost-free period of 120 days. The great Great Proletarian Cultural Revolution liberated the masses’ ideas, and Yumen City not only planted winter wheat, but also expanded its area year by year and its output increased year by year. 1968-1970 Small-area trial planting. In 1971 sown area of 907 mu, 460 kg per mu, a net increase of 47.3 kg more than spring wheat. It expanded to 8,383 mu in 1972, with a yield of 470 kg per mu, a net increase of 85 kg per mu than that of spring wheat. In 1973, 23,555 hectares of winter wheat were harvested, accounting for 21.6% of the total area of wheat and 541 kg per mu, a net increase of 67 pounds per mu compared to that of spring wheat. The area planted in 1974 expanded to 39,310 mu, accounting for the total area of wheat