Due to the low temperature in winter, some fertilizers are more suitable for application, while others are not suitable. It is suitable to apply ammonium carbonate in winter, the temperature is low, and ammonium carbonate is not easy to volatile and decompose, which is conducive to improving fertilizer utilization rate. Ammonium bicarbonate is an ammonium nitrogen fertilizer, which can be directly absorbed and used by crops after being applied to the soil. , Can provide nitrogen nutrition for crops in time. According to tests, the application of ammonium bicarbonate in wheat fields in winter increases the fertilizer efficiency by 1 to 1.5 times in the high temperature season. Avoid urea Urea belongs to ammonium nitrogen fertilizer. It cannot be directly absorbed and used by crops after being applied to the soil. It needs to be converted into ammonium nitrogen by the urease secreted by urea bacteria in the soil to be absorbed by the root system. The rate of urea conversion depends mainly on soil temperature. If all the urea applied to the soil is converted to ammonium nitrogen, it takes 7 to 10 days at a ground temperature of 10 ° C, 4 to 5 days at 20 ° C, and only 2 to 3 days at 30 ° C. It can be seen that when crops are topdressed in winter or early spring, if urea is applied, it will often affect crop growth because of slow fertilizer effect. Increased application of phosphorus and zinc fertilizers The absorption of phosphorus and zinc by crops was significantly affected by temperature and light. Low winter temperatures and insufficient sunlight can easily induce phosphorus and zinc deficiency in winter crops. Phosphate and zinc fertilizers should be added appropriately. In addition, phosphorus can enhance the cold resistance of plants, and increasing the application of phosphorus fertilizer is beneficial to the prevention and cure of crop freezing damage. Disclaimer: Some articles on this website are transferred from the Internet. If third party legal rights are involved, please inform this website to deal with them. phone Black Garlic Powder is extracted from black garlic, it can be used in the production of black garlic cookies, capsule, baked goods, etc.
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