Fruit tree frostbite prevention and treatment method (1)
1. Trunk dressing.
Before the big frost, use the straw, straw rope to wrap the trunk, the main branch or make the grass to bind the trunk, prevent the cold wind from invading and reduce the freezing damage. When baling grass, the top of the grass should be tied tightly on the trunk with a rope. Spread it underneath. Do not tie the grass tightly to prevent the trunk from freezing and freezing.
2. Bind the windbreak fence and set the wind barrier.
In the gentle terrain, on the northwest side of the orchard, branches and hay are used to construct a windproof fence or windshield that is about 1 meter high to protect the root neck from freezing. For small-area young orchards, sorghum and corn stalks can be used to set up wind barriers every 2~3 rows of saplings.
3. Smoked smoke and cold.
It should be used during the coldest night in winter. At about 11 o'clock in the cold night, in the corner of the wind orchard, use firewood, rice husks, clam shells, sawdust, litter, etc. as fuel (note the control of the fire), smoky fire, so that the smoke covered The garden, let the smoke envelope the entire park. In the winter, fruit trees, especially young fruit trees, are often subjected to low-temperature freezing damage, light flower buds frostbite, heavy branches or whole plants frozen to death. The freezing damage of fruit trees should be based on prevention and supplemented by treatment. As an orchards antifreeze candle wholesaler, we provide quality against frost candles for orchard managers. If you need it, please book our against frost candles before October.
4. Spray protection agent.
First, spray with a stone sulphur mixture, or use an oil emulsion to dilute the spray with dichlorvos and dimethoate, so that the agent is evenly attached to the leaves, both anti-freezing and pest control. The second is to spray paraffin 5 times emulsion or 150 times carboxymethyl cellulose solution to protect antifreeze 2~3 times before the occurrence of low temperature freezing damage, which can seal the pores of the branches, reduce water loss, prevent pumping, and delay the flowering period of fruit trees. Increase the concentration of tree juice to enhance cold resistance.
5. Spread the grass and ash.
When loosening the soil in the Qing Dynasty before the winter, about 350 kg of grass ash per mu or a mixture of manure and topsoil should be applied to stabilize and raise the ground temperature.
6. Tree cover.
Covering the tree tray with straw, wheat straw, corn stalks or weeds can both protect the ground and increase the ground temperature. Laying the mulch or leaves or chaff or sawdust within 1 m around the trunk is also effective in maintaining and improving the ground temperature and preventing the freezing damage of the fruit trees. For saplings, it is best to use a film to prevent freezing: insert a curved bracket every 100 meters or so, cover the plastic film, and compact it with soil. After the temperature in Hunchun has risen, first uncover the wind at both ends of the film. After the young trees gradually adapt to the external environment, remove all the films.
7. Create a shelter forest.
It is a long-term effective measures against cold and frost to create windbreaks 30 meters away from the orchard.
8. Cultivating the soil to prevent cold.
Before the winter, combined with cultivating and weeding, the roots of the tree roots and the base of the trunk are 15-20 cm high to protect the root system and reduce the freezing damage. In the spring, the soil was removed in time to increase the ground temperature and promote root activity.
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