There are so many recipes for fruit trees
Whitening agent for the purpose of preventing frost damage
Orange, sweet orange, pomelo and other cold-tolerant fruit trees, peach trees north of the Huaihe River, and fruit trees in low-lying orchards are vulnerable to freezing damage. Apply these whitening agents to the trunks of these fruit trees. Put on winter clothes and form an insulation layer to increase the cold and frost resistance of such fruit trees.
Talc powder coating agent 0.5 kg of talc powder, cornmeal or bean noodles 0.5 kg, add 10 kg of water and stir well, and add 0.2 kg of washing powder to increase the adhesion of the whitening agent.
Add 5 kg of quicklime to 5 kg of fresh water, add 5 kg of quicklime, mix well, then pour 2 kg of cement and 1 kg of yellow mud, mix thoroughly to form a slurry. The whitening agent is resistant to rain and can be washed. It does not fall off on the bark for one year, and it can prevent the occurrence of invasive diseases.
Whitening agent for pest control
Before the trunk is painted white, the bark is first scraped within 50 cm above the root neck of the trunk. The skin of the fruit that is more than 10 years old and easily cracked and warped is better. The main skin on the main branch and the main skin are scraped off. Pear tree apple tree, light scraping chestnut, etc., peach and plum are not recommended to scrape, in order to prevent the occurrence of gum disease. After winter, many pests use eggs, etc., and the pathogens in the form of mycelium sporophytes in the cracks or bumps of the trunk epidermis overwintering. The whitening of the trunk can effectively prevent the spawning of pests and effectively control the pathogens. . If you find a pest on the trunk or have a pest, you must first kill the pest and then whiten it.
The stone sulphur mixture solution is firstly melted with 10 kg of water and 5 kg of quicklime, and stirred evenly. Then, 1 kg of yellow mud is added in turn, and then fully stirred, then 1 kg of a sulphur mixture of Baume degree of 11 degrees is added, and then each is added. 0.5 kg of salt and vegetable oil, stir well. The lime and stone sulphur mixture can kill the pests and eggs that are overwintering in the cracks of the bark, and the salt can prevent the whitening agent from collapsing and sticking and sticking.
Lime sulfur mixture whitening agent firstly remove 5 kg of quicklime and 0.3 kg of salt with 8 kg of hot water, stir into a paste, then add 0.3 kg of vegetable oil, 0.5 kg of sulfur powder, 0.2 kg of bean noodles or cornmeal, and add Stir until evenly. Lime and sulphur powder can prevent freezing and pests and diseases. Salt can make lime and sulphur powder penetrate into the trunk of the trunk, keep moisture, prevent dry cracking, and vegetable oil and bean noodles can improve the adhesion of the whitening agent on the trunk.
Whitening agent for the purpose of preventing disease
After freezing, the fruit trees are susceptible to sunburn and cracking, causing resin disease, and the trunk is white, which can reflect sunlight, reduce the temperature of the trunk during the day, and prevent the bark from causing sunburn.
The lime sulphate mixture is opened in a container with 0.5 kg of copper sulfate in 1 kg of hot water, and 5 kg of quick lime and 5 kg of water are turned into lime milk in a container, and finally the melted copper sulphate solution is poured into Stir well in the container of lime milk.
Limestone sulphur residue residue whitening agent 5 kg of lime and 0.5 kg of stone sulphur mixture residue added water 25 kg, plus 0.1 kg of salt thoroughly stirred evenly.
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