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Anti-bird net provides protection for fruits, vegetables and airports

Time:2019-02-26 Click:1734

The bird-proof net is a kind of net that is set up to protect the fruit from bird foraging. It is mainly used for bird protection in rice, fruit trees, vegetables and farms. The laying of the bird-proof net will protect 97% of the fruit from the Beijing suburbs without damage to the birds, in order to safeguard the economic interests of the farmers.

The net is red in color and has a large mesh. It is fixed by piles and covers a large area over the orchard. "Birds are most afraid of red, coupled with reflections. From a high altitude, it looks like a red light, and the birds will naturally not fall." The technical staff of the Municipal Fruit Tree Association introduced that the installation of the bird-proof net not only protects the orchard, but also Birds cause damage.


It is reported that in recent years, the situation of fruit trees and birds and beasts has become more and more serious. Not only the varieties cultivated in open-air cultivation suffer from bird damage, but also the varieties of greenhouses and greenhouses are often attacked by birds. According to incomplete statistics, the loss of fruit in the city due to bird damage is 40 to 80 million kilograms per year. In recent years, the orchards in Beijing suburbs have adopted bird-proof methods such as bagging, hanging cloth, setting off firecrackers, grazing people, and improving cultivation methods, but they have had little effect. In view of this, the Municipal Fruit Tree Industry Association, in conjunction with relevant research institutions and companies, provides free bird-proof nets for 200 orchards in 26 orchards in 11 suburban counties. After the installation of the bird-proof net, it can not only effectively prevent bird damage, protect birds, but also reduce the loss of about 400 yuan per mu of orchard per year.

Anti-bird net is a kind of mesh fabric made of brushed polyethylene with polyethylene, heald as the main raw material and anti-aging, anti-UV and other chemical additives. It has high tensile strength, heat resistance, water resistance and corrosion resistance. It is resistant to aging, non-toxic and tasteless, and easy to handle waste. It can kill common pests such as flies and mosquitoes. The conventional use of the collection is light, and the correct storage life can reach 3-5 years.


Bird-proof net cover cultivation is a new environmentally-friendly agricultural technology that increases production and practicality. It builds artificial isolation barriers on the scaffolding, rejects birds outside the net, cuts off bird breeding routes, and effectively controls various types of birds. Spread and prevent the spread of viral diseases. It has the functions of light transmission and moderate shading to create favorable conditions for crop growth, ensuring a drastic reduction in the application of chemical pesticides in vegetable fields, making crop yields high quality and sanitary, and providing a powerful means for developing non-polluting green agricultural products. Technical guarantee. The bird-proof net also has the function of resisting natural disasters such as storm erosion and hail attack.


Anti-bird net is widely used in vegetable, rape and other breeding originals for isolation of pollen, potato, flower and other tissue culture detoxification mask and pollution-free vegetables, can also be used for tobacco breeding, anti-bird, anti-bird It is the first choice for physical control of various crops and vegetable pests. Really let the consumers eat "safe dishes" and contribute to the vegetable basket project in China.


The benefits of bird nets

The bird-proof net is mainly used to prevent birds from eating food. It can generally be used for grape protection, cherry protection, pear tree protection, apple protection, cockroach protection, breeding protection, kiwi and so on.


In terms of grape protection, many farmers will think that indifferent attitudes are considered to be necessary by half of the people. For the shelf grapes, all can be covered, and the strong anti-bird nets are suitable for comparison. The fastness is relatively better. For common varieties. The farmers are completely acceptable, the cost is relatively low, compared with the generally unjoined fishing nets, it is relatively light. For some fine fruits, the nylon anti-bird net can be recommended. The high fastness can be used for more than 5 years. High-density polyethylene can also be used for more than 5 years at a lower cost.


Cherry should pay attention to some customers will think of a small piece of net, cover a tree, prefer a small size type of net, cherries and other fruits bear the bird is relatively serious, cherry The price is high, and sometimes it will cause the farmers to have no grain.


The fruits produced in Japan mainly include citrus, apples, pears, grapes, and “rich” persimmons. According to the statistics of the Japan Agricultural Association, the area of ​​pear fruit in Japan in 1999 was 16,900 hm2, the output was 390,400 tons, and the market volume was 361,300 tons. The main producing areas of which are larger than 1000hm2 are Tottori, Ibaraki, Chiba, Fukushima and Nagano; the counties with a yield of more than 10,000t include Chiba, Tottori, Ibaraki, Nagano, Fukushima, Tochigi, Saitama, Fukuoka, Kumamoto and Aichi.


There are a large number of Japanese birds, and the fruit is severely eaten. In order to avoid bird damage, a bird-proof net is installed around the pear orchard so that birds cannot fly into the pear orchard;


Bird-proof nets are also commonly used at airports in Japan. Under normal circumstances, it is most likely that a bird will be hit when it first takes off or is about to land. Because the flying height of common birds such as sparrows and pigeons is mostly less than 100 meters. When the flight flies to an altitude of 800-1000 meters, there may be encounters with hawks or vultures, resulting in relatively large losses.


In some areas of China, the area of ​​fruit planting is relatively large, so that farmers do not think it is necessary to eat a part of the bird. Compared with Japan, Japan's fruits are calculated on a per-count basis, so the loss is easier to see. And the use of Japan is very mature. Japanese pears are excellent in quality and are fragrant, so they are susceptible to bird damage. At the same time, in order to prevent hail attacks, pear fruit growers often set up multi-functional protective nets above the scaffolding garden. The protective net is nylon texture, the mesh is about 1cm3, and it is placed 1.5m above the scaffolding. This will prevent bird damage and effectively prevent hail attacks. Therefore, we can still promote the bird-proof net with anti-smashing function.


In addition, rice is the only crop with 100% self-sufficiency in all crops in Japan. In 1998, Japan's rice planting area was 1.79 million hectares, with a production area of ​​507 kg / 10 mu, and an annual total output of about 9.46 million tons. The new rice planting technology is called "live seeding technology" and consists of a falling water sprouting method and a high-precision jukebox. At present, this new technology has been basically developed, and the future tasks are universal. The popular area in 2000 was 8,900 hectares. In addition, prevention of bird technology and development of an excellent variety suitable for live broadcast will be an important issue in the future.


All in all, the use of bird-proof nets is still quite large, and bird damage has always been a concern of everyone. No matter which country is in the development trend.