Winter potato is a pillar industry for farmers to increase their incomes. The annual planting area of ​​the city is over 30,000 mu. The promotion of formula fertilization technology can effectively improve the quality and yield of winter potatoes. Take the following measures: First, the base fertilizer is applied. Apply 1500-2000 kg of high-quality farmyard manure, 50 kg of calcium and 10 kg of potassium sulfate. The second is light seedlings. When the potato seedlings grow to the group, they should apply the seedling fertilizer in time, and apply 10 kg of ammonium nitrate per acre, 15 kg of calcium and 5 kg of potassium. The third is to re-apply the potato chunks to enlarge the fertilizer. When the winter potato grows to the expansion stage of the potato tubers, it will pay attention to the fertilizer. The mu is 20 kg of urea, 25 kg of calcium, 10 kg of potassium sulfate, and timely watering and soiling after application. The fourth is foliar application. When combined with pest control, 0.2% potassium dihydrogen phosphate can be added for foliar application. (Ma Sailing) This article URL: Formulation Fertilization Technical Measures for Winter Potatoes in Mengzi City, Yunnan Province Hespax Kids Gloves,Children'S Protective Gloves,Kids Safety Glove,Kids Protective Safety Gloves Jiangsu Hespax Security Co., Ltd , https://www.hespax.com