How to prevent and control pests and diseases when sowing wheat?

1. Strengthen agricultural prevention and control. Reasonable crop rotation, deep plowing and soil modification, careful soil preparation, soil testing and formula, reasonable fertilization, no application of immature organic fertilizers, proper sowing at the right time, and removal of weeds and spontaneous wheat seedlings in fields, fields, yards, etc. 2. Treat plots with heavy underground pests in the previous crop with soil chemicals. When preparing the land before sowing, mix the chemicals with dry fine soil. After mixing, spread evenly on the soil surface. Immediately after spreading, shallow plow or rake. You can also Pesticides and fertilizers are mixed and applied. 3. Implement seed coating or chemical seed dressing. Seed coating is the most economical, simple, safe and efficient measure to prevent and control diseases and insect pests in wheat. It is also a basic and key measure for the prevention and control of wheat diseases and insect pests.