Introduction to the extensive application technology of non-woven fabric instead of plastic film agriculture

by:Sunshine     2020-04-15
In recent years, a non-woven fabric widely used in construction, packaging, medical and health care, and daily consumer goods is being applied to raising seedlings such as vegetables, flowers and rice, and preventing freezing damage from tea and flowers, replace and make up for the shortage of plastic film covering insulation. The application technology of non-woven fabrics is introduced as follows: first, the product features, non-woven fabrics are a new type of covering material with good air permeability, hygroscopicity and light transmittance, it has the functions of keeping warm, Frost and sun exposure. And light weight, corrosion resistance, long life (4-5 years), Easy to use and store. White non-woven fabrics can coordinate the growth climate of crops, especially in winter open or greenhouse seedlings and the relationship between temperature, light and light transmission of vegetables and seedlings; Summer can prevent the sun exposure from causing rapid evaporation of water in the seedbed, uneven seedling raising and Burns of young seedlings such as vegetables and flowers. Second, the use of methods 1, transplanting and fake planting of garden trees. Before artificial planting of large trees and small seedlings, non-woven fabrics can be laid in tree pits before artificial planting, and then nutrient soil can be laid. In this way, artificial planting of garden trees has a high survival rate and keeps water and fertilizer. 2, winter greenhouse, open field seedlings (Specifications 25-30g/280 cm)Floating surface covering. Can prevent wind blowing and increase temperature. On one side of the seedbed, the non-woven fabric is compacted with soil, and the other side is compacted with brick and soil. It can also be made into a small arch shed with bamboo or thick iron wire to cover the non-woven fabric, and the surrounding area is compacted with brick or soil. Insulation. Covered vegetables and flowers need to be sunny, so that they can be uncovered in the morning and covered in the evening. For floating surface covering, the temperature 10 cm from the surface can be increased by about 2 ℃, and the ground temperature can be increased by 1-2 ℃, covered vegetables can be 5-It will be listed in 7 days, increasing the output by about 15%. 3, for the ceiling. In the greenhouse and greenhouse, a non-woven fabric is used as a ceiling, and the spacing between the ceiling and the plastic greenhouse film is 15-20 cm; Forming a thermal insulation layer can increase the temperature inside the shed by 3- 5 ° C, open during the day, close at night, the compartment must be closed tightly to be effective. 4. Cover outside the small arch shed (Specifications 80-100g/280 cm) Instead of straw curtain for heat preservation, the cost is saved by 20% and the service life is greatly prolonged; You can also cover a layer of non-woven fabric on the small arch shed, and then cover the plastic film to increase the temperature by 5-8 ℃. 5, for sunshade light. The non-woven fabric is directly covered on the seedling bed, covered in the morning and uncovered in the evening, which can effectively improve the seedlings and whole seedlings. Vegetables, flower seedlings, middle seedlings, summer can be directly covered on the seedlings. 6. Before the cold wave comes, the crops such as tea and flowers that are susceptible to freezing damage can be directly covered with non-woven fabrics, which can effectively reduce the loss of freezing damage. (Anhui Science and Technology News)
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