Reducing the humidity in the field is the key to preventing soybean root rot. Excluding the field water after the rain can reduce the hazard. For fields where soybean root rot has already occurred, use 25% metalaxyl wettable powder 800 times, or 58% manganese zinc metalaxyl wettable powder 600 times, or 64% naphtha Mn zinc Wettable powder 900 times Irrigation root, 7-10 days once, continuous control 2-3 times. Spraying foliar fertilizer, plant growth regulator or 2% ningnanmycin agent in time can enhance plant disease resistance, promote the occurrence of new roots of diseased plants, enhance the ability of plant regeneration, and ease the disease. Steam Sterilizer,Automatic Pressure Steam Sterilizer,Pressure Steam Sterilizer,Portable Automatic Steam Sterilizer Ningbo Cland Medical Instruments Co., Ltd. , https://www.ruipumedical.com