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张家口坝上地区位于内蒙古高原和华北平原交界,包括张北、沽源、尚义以及康保4县,属于高寒半干旱地区,平均海拔在1 200~1 500 m之间,7、8、9月份平均气温不超过24℃,气候冷凉,且昼夜温差大,非常适宜在夏秋季节生产露地蔬菜,生产的白萝卜色泽纯正、口感好、产量高、耐储运以及品质优。可有效填补冀中南、京津及南方地区夏季炎热多雨、蔬菜供应不足的淡季市场。近年来,张家口市坝上地区白萝卜种植面积稳定在0.87万hm2左右,大部分出口韩国、日本、新加坡以及马来西亚等东南亚国家。现将坝上露地萝卜优质高效生产集成技术总结如下。
Zhangjiakou Bashang area is located at the junction of the Inner Mongolia Plateau and the North China Plain, including Zhangbei, Guyuan, Shangyi and Kangbao 4 counties, belonging to the alpine semi-arid area with an average elevation of 1200 ~ 1500 m, 7, 8, 9 The average monthly temperature does not exceed 24 ℃, cold climate, and the temperature difference between day and night, very suitable for the production of open-season vegetables in summer and autumn, white radish produced pure color, good taste, high yield, resistance to storage and transportation, and excellent quality. Can effectively fill the Jizhong South, Beijing and Tianjin and the hot summer rainy summer, lack of vegetables in the off-season market. In recent years, the planting area of white radish in the Bashang area of Zhangjiakou City has remained stable at about 0.87 million hm2, most of which are exported to Southeast Asian countries such as South Korea, Japan, Singapore and Malaysia. Now the dam on the open radish quality and efficient production of integrated technology is summarized as follows.