In recent years, the occurrence of soil-borne diseases has been severe, and the death of trees has frequently occurred. In production, there are many ways for vegetable farmers to prevent and control soil-borne diseases. Among them, the use of lime to sterilize and improve the pH of soil to prevent the occurrence of soil-borne diseases has become one of the methods used by many vegetable farmers. However, the author found that some vegetable farmers have used erroneously. They have not played a bactericidal effect but have caused poor growth of vegetables. Misunderstanding 1: Mixing Lime with Fermented Decomposed Manure When some farmers use lime to disinfect the soil, they are often used to dig the manure into the soil together with lime. Although this saves time and effort, due to the alkalinity of lime, it is fermented. When the composted manure is used in combination, it reacts with humic acid in the fertilizer, which not only reduces the use effect of the fertilizer, but also reduces the bactericidal effect of the lime, resulting in waste of manure and lime. The correct approach is to first dip the lime deep into the soil and apply the manure to the greenhouse 3-4 days later. This will reduce the contact between lime and manure and prevent the reduction of bactericidal effect and fertilizer efficiency. Myth #2: Excessive application of lime Some growers only know that lime has a bactericidal effect, but I don't know how much to use. So to achieve the bactericidal effect, the amount used is too large, and some even use more than 500 kg per mu, resulting in soil Alkaline is too high, so that some elements that are easily absorbed by vegetables under neutral and acidic conditions such as phosphorus, zinc, magnesium, iron, boron, etc. are fixed, affecting the absorption of these elements by vegetable roots, resulting in poor vegetable growth, White spots appear at the growing point. The vegetable farmer should first measure the pH of the soil when disinfecting with lime. If the pH of the soil exceeds 7.5, then it can no longer be disinfected with lime. If the soil pH is less than 7.0, the vegetable grower may not exceed 200 kg per mu. The amount used to prevent the soil pH is too high, affecting the absorption of certain mineral elements in the root system. Suture Needle,Chromic Catgut Suture,Chromic Suture,Medical Disposable Suture Surgimed Medical Supplies Co.,Ltd , https://www.surgimedcn.com