In the recently held polyethylene blow plastic agricultural ground cover film mandatory national standards release and promotion meeting, the Ministry of Industry and Information Technology deputy director of the Department of Science and technology Sha Nansheng said that the new standard raises the lower limit of the thickness of the plastic film, is conducive to put an end to the proliferation of ultra-thin plastic film, promote the recycling of plastic film, promote the development of aging resistant plastic film, It will play an important role in controlling the "white pollution" of farmland, improving the agricultural ecological environment and building a beautiful countryside.

"The new standard leaves time for the previous transformation of technology and equipment." Sha Nansheng said that in order to support production enterprises to upgrade technology and upgrade equipment, the new standard for polyethylene blow molding agricultural floor covering film will be officially implemented on May 1, 2018, after which the production and sale of agricultural mulch products that fail to meet the standard will no longer be allowed.

It is understood that since the introduction of mulch film cultivation technology in 1979, its characteristics of thermal insulation, water retention, fertilizer protection, and improvement of soil physical and chemical properties have effectively promoted the growth and development of crops, and gradually become a widely used planting technology in China's agricultural especially dry farming areas.

In order to promote the promotion and application of mulch mulch cultivation technology, China has issued and implemented the industry standard for polyethylene blow plastic agricultural ground cover film and the mandatory national standard for polyethylene blow plastic agricultural ground cover film, which has played an important role in increasing the yield of vegetables, corn, cotton and other crops in China and ensuring food security. At the same time, China's annual consumption of mulch film reached more than 1.2 million tons, because the waste film is difficult to recycle, to a certain extent to the farmland caused "white pollution".

The newly revised "polyethylene blow molding agricultural ground cover film" mandatory national standard has been officially promulgated on October 14 this year. Sha Nansheng said that the new standard has revised a number of indicators such as the scope of application, classification, product grade, thickness and deviation, tensile property, weather resistance, etc., especially raising the lower limit of the thickness of the mulch, which is conducive to the mechanical sowing operation and recycling of mulch. It is of great significance to solve the residual problem of mulch film, reduce the "white pollution" of farmland and gradually improve the soil environmental quality.

Sha Nansheng said that mandatory standards are one of the important means for the government to promote the modernization of the governance system and governance capacity, and it is to "ensure the basic and the bottom line". The polyethylene blow molding agricultural ground cover film as a mandatory standard, we must firmly establish a new development concept, especially the concept of green development, combined with the needs of agricultural green development, and further increase the research and development, transformation and promotion of green technology, so that standardization becomes an important safeguard measure to support the green development of agriculture.

Sha Nansheng said that production enterprises should start the upgrading of production equipment and production lines accordingly in accordance with the requirements of the new standard, speed up the trial production of new mulch film, and provide market applications as soon as possible.

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