The most complete fruit tree antifreeze tips
1. The trunk is bandaged.
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. Tie the wind fence and set up 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.
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. Spreading grass 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. Soil and 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.
9. Adopt "warm belt" planting.
Select the "warm belt" area when building the garden. Hills and mountains avoid planting in low-lying areas to prevent frost from hitting the ground. Fruit trees planted in warm zones are generally lighter in frost.
10. Choose cold-resistant tree species or varieties.
Different tree species or varieties have different cold resistance ability, and should be selected when building the garden.
11. Add fertilizer.
Before and after fruit picking, the annular groove was excavated at the outer edge of the tree to apply the farmyard manure, and the appropriate amount of nitrogen, phosphorus and potassium fertilizer was applied. After fertilization, the lighter manure was poured and the soil was covered.
In the late autumn or early winter season, deciduous fruit trees, especially 1-2 year old deciduous fruit trees, can be properly trimmed or artificially decidated to reduce tree consumption, increase accumulation, and improve cold and frost resistance.
13. High replacement.
The high cold resistance of the local saplings, or the high-name, excellent, new, special and rare varieties on the cold-resistant rootstock can improve the cold resistance of the plants.
14. Painted white trunk.
At the end of autumn and winter, the trunk is painted white in combination with the Qingyuan. Firstly, 5 kg of quicklime and 1 kg of salt were melted with 20 kg of hot water respectively, and then the two liquids were mixed and stirred, and 0.5 kg of the raw material of the stone sulfur mixture and 0.1 kg of the vegetable oil were uniformly stirred to prepare a whitening agent. One is the overwintering bacteria and eggs that can kill the trunk; the second is to enhance the ability of the sun to reflect, reduce the large changes in the temperature difference between day and night, and avoid the sunburn. When drying, fill the trunk all the way until the branch of the main branch.
15. Clear the snow.
When it is snowing, it is best to shake the tree in time to shake off the snow on the trunk to avoid crushing the branches and reducing frost damage.
16. Winter irrigation and antifreeze.
After one and a half months of fruit picking, when the soil is “freezing and freezing”, the trenches are dug between the rows of fruit trees, and then the water is drenched along the furrows. The amount of water is better to seep before the night. It can not only achieve winter water use, prevent spring drought, promote the growth and development of fruit trees, but also store water in the water to keep the ground temperature relatively stable during the cold wave, thus reducing the freezing damage. After winter irrigation, it is best to cover the grass, but also shallow on the surface to prevent evaporation of water.
17. China vineyards antifrost candles.
Prepare a large amount of China vineyards antifrost candles before the cold weather arrives. Ignite China vineyards antifrost candles on the night of the day. The China vineyards antifrost candles we offer can burn for more than 8 hours. Not only can you use it all at night, but it will be normal for the entire day. The main function of the China vineyards antifrost candles is to warm the environment around the fruit trees, and secondly to illuminate at night.
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