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 all vulnerable to freezing damage. Applying whitening agents to these tree trunks is to give them Put on winter clothes and form an insulation layer to increase the cold and frost resistance of such fruit trees. Talc powder whitening agent 0.5 kg of talc, 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, and then pour 2 kg of cement and 1 kg of yellow mud into the 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 purposes Before the trunk is painted white, first scrape the bark within 50 cm above the root neck of the trunk. It is better to scrape the skin of the fruit tree with more than 10 years of fragile skin and skin, scraping off the main skin and the old skin on the main branch. 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 entering the 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 eggs from spawning 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 First, 5 kg of quicklime and 0.3 kg of salt are evaporated with 8 kg of hot water, stirred into a paste, and then added with 0.3 kg of vegetable oil, 0.5 kg of sulfur powder, 0.2 kg of bean noodles or cornmeal, and then added. Stir until uniform. Lime and sulphur powder can prevent freezing and preventing pests and diseases. Salt can make lime and sulfur powder penetrate into the trunk of the trunk to maintain moisture and prevent dry cracking. 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 used to open 0.5 kg of copper sulphate in a container with 1 kg of hot water, and then 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 sulphurizer 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. Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone Hericium Erinaceus Extract,Lion'S Mane Mushroom Extract,Mushroom Powder,Lions Mane Mushroom Powder Shaanxi Zhongyi Kangjian Biotechnology Co.,Ltd , https://www.zyplantextract.com