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大同市位于山西省北部，是我国典型的半干旱农业区，常年干旱少雨、水土流失严重。面对这种恶劣的自然条件，近年来该市积极发展旱作节水农业，其技术体系日臻完善。 完善以农田基本建设为主的技术体系，变“三跑田”为“三保田”，使旱农区的生产条件得到根本性改善。其主
Located in the northern part of Shanxi Province, Datong is a typical semi-arid agricultural area in China. Faced with this harsh natural conditions, in recent years, the city has been actively developing water-saving agriculture for dry farming and its technical system is getting better and better. Improve the technical system based on farmland infrastructures and change “Sanbaotian” into “Sanbaotian” so as to fundamentally improve the production conditions in dryland areas. Its main