Plastic mulch sheet is an agricultural technology, the use of petrochemical products polyvinyl chloride or other similar substances of film cover farmland, mostly used for cultivation of melons, bromeliades, strawberries, according to different crops using different colors and thickness, the main purpose is to improve the surface temperature of agricultural land, maintain soil moisture.
Plastic film can block light, inhibit weed growth, avoid the use of herbicides, reduce labor and material costs. Under the plastic film cover, the soil can retain gas and nutrients, and the oxygen content will be more than the soil directly exposed to the sun, which is conducive to the germination of seeds and rapid growth of seedlings. The cover of plastic film can maintain the surface temperature and humidity, and the covered soil will be 2 to 3 degrees more than the temperature of the uncovered soil, which is conducive to the activity of microorganisms, promote the decomposition of soil organic matter and minerals, increase nutrients, promote the development of seedlings, and is conducive to early sowing in spring and improve the total output. In sunny days, plastic film can keep the soil wet, and in rainy days, it can prevent heavy rain from eroding the soil or washing away, increasing soil moisture, and also avoid fertilizer loss, reduce soil salt content, and avoid soil salinization.
Issues
The plastic film after use is expendable and needs to be replaced every year, because of its large size, and it is easy to break and time-consuming when replaced, most farmers will ground the plastic film and pile it together with the dead leaves, in addition to causing recycling difficulties, but also because the plastic is difficult to decompose, affecting the nature of the soil. The air pollution problem arises when plastic film is burned in private and cannot be reused after use.
To solve this issue, you can choose Biodegradable mulch film.
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