Over 98% of the orchards have suffered bird damage, and the annual economic losses caused by bird damage are as high as 700 million yuan. Through years of research, scientists have discovered that birds have a certain sense of color, especially blue, orange, and yellow. For this reason, on the basis of this research, researchers have invented a wire mesh made of polyethylene as the basic material, covering all the orchards for apples, grapes, peaches, pears, cherries and other fruits. Effect. Today, I will explain to you how to install the orchard anti-bird net.
It is generally recommended to use white anti-bird nets in mountainous areas. Birds of the above colors are not afraid to come close to it, which can prevent birds from pecking at fruits and prevent them from hitting the net. The anti-bird effect is obvious. It is recommended not to use transparent wire mesh in production. This kind of mesh does not have a driving effect and birds can easily hit the net.
2. the selection of meshes and net masters
Depending on the size of the local bird body, such as sparrows and other small individual birds, 3 cm mesh anti-bird nets can be used; for example, magpie, turtledove and other larger individual birds, 4.5 cm mesh anti-birds can be used. network. The anti-bird net generally has a wire diameter of 0.25 mm. The length of the net is purchased according to the size of the actual orchard. The length of the Internet products on the market is 100-150 meters long and 25 meters wide. It is better to cover the whole orchard.
3. Selection of bracket height and density
When installing the anti-bird net for fruit trees, first lay a bracket. The bracket can be purchased as a finished bracket, or it can be welded with galvanized pipes and triangle iron. The buried part should be welded with a cross to resist lodging. An iron ring is welded on the top of each bracket, and each bracket is connected through a wire. The bracket should be firm and durable after being laid, and the height should be about 1.5 meters higher than the fruit tree to facilitate ventilation and light transmission. The density of the bracket is generally 5 meters in length and 5 meters in width. The density of the scaffold depends on the plant row distance and the size of the orchard. The denser the better, the denser the higher the cost. Anti-bird nets with corresponding width can be purchased according to the width to save materials.
4. Sky net and side net erection
The fruit tree anti-bird net should be erected in three dimensions. The net on the upper part of the canopy is called Sky net. The Sky net is worn on the wire drawn on the top of the bracket. Pay attention to the tight junctions and leave no gaps. The outer net of the canopy is called a side net. The junction of the side nets should be tight, and the length should reach the ground without leaving any gaps. Sky nets and side nets are closely connected to prevent birds from getting into orchards.
5.the installation time is determined
The fruit tree anti-bird net is only used to prevent birds from harming fruits and fruits. Generally, the fruit tree anti-bird net is installed when the birds begin to peck damage 7 to 10 days before the fruit matures. After the fruit is fully harvested, it can be removed and stored. Field exposure and aging affect the service life.
6. Maintenance and preservation of fruit tree anti-bird nets
The fruit tree anti-bird net is inspected at any time after installation, and if damaged, it is repaired in time. After the fruit is harvested, carefully remove the anti-bird net of the fruit tree and roll it up, wrap it up and store it in a cool and dry place. It will be used again when the fruit matures in the coming year. It can generally be used for 3 to 5 years.
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