am not a fire expert and I don't know the specific laws in your area, so the following is only for general discussion. Before making a decision, please be sure to consult local fire, environmental or agricultural authorities to understand relevant laws and regulations and the latest weather and air conditions. In general, to minimize the risk of open-air burning spreading and causing fires, you can consider the following points: 1. Comply with local regulations: Many areas have strict restrictions on open-air burning, and sometimes you need to apply for a permit. First, confirm whether burning is allowed in your area and what regulations and safety measures apply. 2. Choose weather conditions: • It is best to choose a time with no or very low wind speed. Excessive wind speed will make the fire difficult to control. • Moderate air humidity is also ideal. Too humid may not burn completely, but too dry environment is easy to cause a large fire. Generally speaking, "warm and dry but not hot" conditions are more suitable. • Make sure there is enough natural humidity or rainfall forecast before and after the event, which can help suppress the spread of fire. • Avoid cloudy or windy days. The best time to burn is when there is high pressure, stable weather, low wind speed (generally less than 5-10 km/h), and no impending storms or drought. 3. Choose the season: • In some areas, controlled burning is recommended in early autumn or early spring. At this time, most weeds are relatively dry due to the wet winter, but the temperature is not too high, and the burning is easier to control. • In extremely dry or hot summers, the fire is difficult to control, and field burning is not recommended. • Of course, the specific season is also affected by local vegetation and climate habits. Sometimes the correct burning time requires a comprehensive consideration of the humidity, temperature, wind conditions and surrounding environment of the weeds. 4. Safety plan: • Before starting a fire, prepare fire isolation belts, fire-fighting equipment, sufficient manpower and emergency response measures. • If possible, consider asking professionals to guide or assist in controlled burning operations. In short, safety and legality are the primary considerations. Please carefully evaluate the weather, terrain, fuel conditions and potential risks before deciding to burn, and be sure to consult and confirm with the relevant local authorities. This achieves the purpose of clearing weeds while minimizing the risk of accidents.