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It is understood that the main component of lime water is calcium hydroxide, calcium hydroxide is alkaline, with good disinfection. "It should be noted that lime water can only be used for prevention. If the disease occurs, lime water is sprayed again, the effect is not obvious." Master Zhang also said, "The lime water also has a good insect repellent effect, such as the rainy period The wolfberry is afraid of this kind of lime water, especially when it comes to the production of organic vegetables, using lime water for safety.â€
Use lime water to prevent pests
Recently, Zhang Guoqian, a vegetable farmer in Houzhai Village, Luocheng Street, Shouguang City, has attracted new recruits. Speaking of this 80-year-old vegetable grower, I believe we will not be unfamiliar with it. He is the young man who specialized in planting potted vegetables earlier in Shouguang. Recently, Zhang Guoqian published many pictures of his potted vegetables on the Internet. The most eye-catching is his colorful pepper, purple, white and other five colors, Zhang Guogan also explained: "Chili pointed birthday candle, round head called the stars, a long purple cluster Called purple cluster stars, scattered called amethyst." So the reporter carefully to go up to observe, see the fruit at the same time, the reporter found that the white residue on the leaves looks like pharmaceutical residues. The chef Zhang told us from time to time that his organic vegetables are free from drugs. What is this then? Master Zhang said: “This is the lime water that I spray.†As we all know, summer temperatures are high, humidity is high, and diseases are high. Xiao Zhang’s master used chlorothalonil and other drugs for ground antivirus; as for the vegetables in pots, Preventing pests and diseases, but also taking into account the cultivation of organic vegetables, Xiao Zhang master from the book to see that lime water can be used for organic vegetable disinfection and pest control, so they use the remaining lime in the construction to mix, dilute to 5 % solution, then spray on potted vegetables. After 2 months of use, it was found that the growth of Xiaocaijiao was not bad and there were not many pests and diseases.