Special black weed-removal mulching film for traditional Chinese medicinal materials

Abstract

The invention relates to a special black weed-removal mulching film for traditional Chinese medicinal materials, which is manufactured by the following raw materials according to weight percent: 35 to 45 percent of linear low-density polyethylene (LLDPE), 6 to 15 percent of low-density polyethylene (LDPE), 5 to 12 percent of high-density polyethylene (HDPE), 15 to 27 percent of metallocene polyethylene (mPE), 8 to 12 percent of black mother stock and 6 to 15 percent of functional mother stock of a special film for traditional Chinese medicinal materials. The service life of the special black weed-removal mulching film for the traditional Chinese medicinal materials can reach more than 12 months, and the problems of short service life and easy aging of a traditional common black mulching film are solved. The service life of the special black weed-removal mulching film for the traditional Chinese medicinal materials is more than 4 times of the service life of the traditional common black mulching film, and the functional effects of covering medicinal materials at the entire period of development, growth and maturity, collecting rain, preserving soil moisture, preserving heat and preventing weed are ensured. Moreover, the special black weed-removal mulching film for the traditional Chinese medicinal materials is also easy to recover and is a pollution-free product which is friendly to the environment, and the ecological environment is effectively protected.

Description

technical field [0001] The invention relates to an agricultural ground covering film, in particular to a special black weed-killing mulch film suitable for planting Chinese medicinal materials. Background technique [0002] Chinese herbal medicines are important economic crops, as well as basic materials to ensure people's life and health. Vigorously developing and promoting the cultivation of Chinese herbal medicines has important practical significance for promoting people's livelihood and harmony. The Chinese herbal medicine industry is one of the industries that Gansu Province has comparative advantages and development potential in the whole country. In 2009, the planting area of ​​traditional Chinese medicinal materials in the province was 2.4778 million mu, with an output of 503,600 tons and an output value of 3.103 billion yuan. More than 70 counties and districts in 14 cities and prefectures in the whole province produce traditional Chinese medicinal materials, and ...

AI Technical Summary

Problems solved by technology

However, the service life of the commonly used black mulch is only about 80 days, and it is difficult to completely recycle after aging, gradually forming a large area of ​​pollution.

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