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该文对春小麦全生育期地膜覆盖技术在大同地区的实施和推广情况进行了初步分析和总结，阐述了其增效的机理，提出了在大同地区实施的技术要点。
This paper carried out a preliminary analysis and summary of the implementation and popularization of plastic film mulching techniques during the whole growth period of spring wheat in Datong area, expounded the mechanism of its synergism and put forward the technical points for implementation in Datong area.