地膜覆盖马铃薯栽培技术已成为我国中、低产区和高寒山区脱贫致富、振兴经济的一条新路。但在推广过程中,部分种植户对技术掌握不准确,覆膜期间容易发生烂苗、烧苗,加之北方地区种植早,揭膜不当等原因又易引起土壤跑墒和发生晚霜冻苗等,进而影响增产效益 Film-mulching potato cultivation technology has become China’s low-yielding areas and alpine mountains to get rid of poverty and revitalize the economy a new road. However, during the promotion process, some growers did not grasp the technology accurately. The rotten seedlings and the burned seedlings were prone to occur during the filming. In addition, the early planting and uncovering of the unfolding film in the northern region led to soil moisture and frost- Which will affect the yield increase