Diseases that cause the cracking of sweet potato are common in people who suffer from rickets and nematodes. Prevention:
First, use resistant varieties.
Second, establish a disease-free seeding area and cultivate disease-free strong seedlings. Seed potatoes were sterilized with warm water of 50°C to 54°C for 10 minutes.
Third, the implementation of soil disinfection. Use 80% dibromochloropropane 1.5 kg water to 100-150 kg water per mu, or use 70% dibromoethane 2.5 kg water 200-300 kg to make a liquid, 20 days before planting Apply pesticide and apply soil immediately.
Fourth, rotation for change. It is better to use peanuts for rotation and it can be rotated for one year. The rotation time with corn is longer, preferably 2 to 3 years.
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Combined with other protective wear like Non woven face mask, Surgeon gown, Surgical gloves, dentists will protect themself from contaminates and avoid infection. You will find them in the other category of Medical Protective Wear.
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