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1955年起,日本开始在烟草生产上推广塑料薄膜覆盖栽培法,起初为高30cm 的小棚式覆盖,于1957年发展为地膜覆盖,进而又创造了改良地膜覆盖等多种形式。仅十几年的时间,各种形式的地膜覆盖栽培在几乎所有烟草类型和烟区普及。据1976年统计,全国95%的烤烟和白肋烟、70%的地方晾晒烟都采用了地膜覆盖栽培方式。为什么地膜覆盖在日本能在较短时间普及?覆盖地膜后土壤环境有哪些变化?这些变化对烟草的生育和产量、质量有什么影响?了解一
Since 1955, Japan began to promote plastic film covered cultivation in tobacco production, initially as a 30cm high shed-type cover, developed in 1957 as a plastic film cover, and then created a variety of forms such as improved plastic film cover. In just a dozen years, various forms of mulching have become widespread in almost all types of tobacco and tobacco. According to the statistics of 1976, 95% of the country’s flue-cured tobacco and burley tobacco and 70% of the places for drying tobacco are covered by plastic film. Why mulching coverage in Japan can be popularized in a short time? What changes in the soil environment after covering the mulch and what impact will these changes have on the fertility, yield and quality of tobacco?