How to use multiple agricultural films
2019-07-10 16:10:19 来源: 科伦塑业集团股份有限公司|农用薄膜|po膜|转光膜|EVA消雾膜|高效日光膜|棚膜|地膜|包装膜|土工膜| Hits: 5703 2019-07-10 16:10:19 Source: Kelun Plastic Industry Group Co., Ltd. Membrane | geomembrane |
With the improvement of agricultural production level, the role of agricultural film in agricultural production is increasing. In order to save costs, many farmers use one-film multi-use technology to reduce production costs and improve economic efficiency. So how can agricultural film be used for multiple purposes?
How to use multiple agricultural films
1. Cover once and plant multiple crops. Spring crops are covered with plastic mulch. They remain intact after summer harvest and continue to be used in autumn. After the last crop is harvested, the mulch should be kept intact. When stubble crops are sown, the dirt on the plastic film should be removed. If there are leaks, they should be blocked with wet soil or a new film with a size greater than 2-3 times the holes should be soaked in water and stuck to the holes. Sowing or planting should be in the original hole. For example, the mulch covered by cucumber and bean in spring can be used to grow Chinese cabbage and cabbage in autumn. In this way, the same mulch film can be used in spring and autumn to increase ground temperature and accumulated temperature and reduce investment.
2. Make a small arch shed first, and then make a plastic film. First use plastic film as a small arch shed, and then drop it after the temperature rises. The bamboo pieces or branches used for arching are required to be smooth without sharp corners, so as not to damage the film.
3. Flat mulch cover, used many times. Cover the mulch directly on the surface of the sown surface or cultivated crops. After the temperature rises, the mulch is recovered and stored for reuse. It is required that the noodle surface is finely crushed, flat and free of debris. This kind of covering is temporary covering, with short time and little mulch damage. In spring and autumn applications, it can keep heat and protect the wind and rain. Carefully withdraw after use and remove dirt for later use.
4. The old film covers the new film and is covered by double films. After the early spring crop is planted, cover the new film with the new film, and then put the old film as a small arch over the new film. Or after the plant seedlings are planted, use new film to break holes for mulching film, and use the outside for small arch sheds to cover the old film. Can increase soil temperature, promote seed germination and seedling growth. The old film is used once, and the new film is used continuously.
5. Gully cover, use many times. The gully mulch cultivation method was adopted, and the sowing height was changed to the sowing or fixed value. That is, two trenches with a width of 15-20 cm and a depth of 20 cm are opened on a high ridge with a height of 15-20 cm and a width of 60-70 cm. Sowing or planting in the ditch, cover the membrane flat on the plantar surface. When the seedlings are in contact with the membrane, the membrane can be stored for next use, or an open hole can be used for mulching.
The more times the agricultural film is used, the lower the cost. Therefore, a film with high strength and long life or a thicker film should be selected as the multi-purpose film. However, with the increase of the use time and the increase of the number of uses, since the light transmission and heat insulation of the film will be reduced, it is impossible to use it indefinitely. Generally, it needs to be replaced with a new film after 2-3 times of warranty.
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