Anti-bird nets are mainly used to prevent birds from pecking food. They can generally be used to protect grapes, cherries, pears, apples, wolfberries, breeding, kiwi, etc.
For the protection of grapes, many farmers will think that the indifferent attitude and half of them think it is necessary. It can be used to cover all the grapes, and a strong anti-bird net is more suitable. The fastness is relatively better. For ordinary varieties The farmers are completely acceptable, and the cost is relatively low. Compared with the fishing nets with knots, they are relatively light. For some fine fruits, they can recommend nylon bird-proof nets. The fastness can be used for more than 5 years.
Cherries should be aware that some customers will think of using a small piece of net to cover each tree. It is more inclined to small-sized nets. Cherry and other fruits are relatively severely affected by birds. Cherry Sexual price is high, sometimes it will cause farmers to fail.
Fruits produced in Japan are mainly citrus, apple, pear, grape, and “rich” persimmon. According to the statistics of the Japan Agricultural Association, the area of pears in Japan in 1999 was 16,900 hm2, the output was 390,400 tons, and the market volume was 361,300 tons. Its area is greater than 1000hm2.The main producing areas are Tottori, Ibaraki, Chiba, Fukushima, and Nagano.The counties with output greater than 10,000t are Chiba, Tottori, Ibaraki, Nagano, Fukushima, Tochigi, Saitama, Fukuoka, Kumamoto and Aichi.
There are a large number of birds in Japan, and the fruit is eaten seriously. In order to avoid bird damage, anti-bird nets are installed around and around the pear garden to prevent birds from flying into the pear garden;Bird airports are also commonly used at Japanese airports. Under normal circumstances, bird strikes are most likely to occur when a flight has just taken off or is about to land. Because sparrows, pigeons and other common birds fly below 100 meters. And when the flight flies to 800-1000 meters, you may encounter eagles or vultures, which will cause relatively large losses.
In some areas of China, the area of fruit cultivation is relatively large, so that farmers do n’t think it’s important to eat birds. Compared with Japan, Japanese fruits are calculated on an individual basis, so that it is easier to see the losses. And Japan is very mature to use E. Japanese pears are of high quality and fragrant, so they are susceptible to bird damage. At the same time, to prevent hail attacks, pear growers often set up multifunctional protective nets above the trellis orchard. The protective net is made of nylon, with a mesh of about 1cm3, and it is placed 1.5 meters above the shed above the shed. This can prevent bird damage and effectively prevent hail attacks. Therefore, we can still promote the use of hail-proof anti-bird nets. The hail damage suffered by China this year is also quite large, and I think one day it will pay the same attention as Japan.
In addition, rice is the only crop of 100% self-sufficiency among all Japanese crops. In 1988, Japan’s rice planting area was 17.90 million hectares, with a unit area yield of 5 07 kg per 10 ares, with a total annual output of approximately 94,600 tons. The new rice planting technology is called direct seeding cultivation technology, and it consists of the falling water bud method and high-precision on-demand machine. At present, this new technology has been basically developed and the task in the future is to spread. 890 hectares. In addition, bird prevention technology and the development of excellent varieties suitable for direct broadcast will be important issues in the future.
All in all, the use of bird-proof nets is quite large, and bird damage has always been a concern for everyone. No matter in that country, there is a development trend.
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