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How to prevent dry hot air in wheat late season
Dry hot wind is a natural disaster that occurs during the late growth stage of wheat. Locally, it is often referred to as "hot air," "dry wind," or "fire dragon." This phenomenon can negatively affect wheat flowering and grain filling, causing the crop to mature prematurely and leading to reduced yield and quality. To mitigate its impact, several preventive measures can be taken.
First, it is important to apply wheat yellow water skillfully. Watering the fields about 10 days before the wheat reaches maturity can significantly improve the microclimate in the field, reduce the damage caused by dry hot winds, and make it easier for intercropping and summer sowing in the wheat fields.
Second, foliar spraying of fertilizers is an effective method. During the early stages of wheat flowering and grain filling, using a 1% to 2% urea solution, a 0.2% potassium dihydrogen phosphate solution, a 2% to 4% superphosphate leachate, or a 15% to 20% ash leachate as a foliar spray can help accelerate the late growth of wheat and reduce the risk of dry hot wind damage. Typically, this practice can increase the yield per acre by 8% to 15%.
In addition to these methods, farmers should also monitor weather forecasts closely and take timely actions if dry hot winds are expected. Ensuring proper soil moisture levels, maintaining good field hygiene, and selecting drought-resistant wheat varieties can further enhance resilience against dry hot winds.
By implementing these strategies, farmers can better protect their crops and ensure more stable and higher yields, even in the face of challenging environmental conditions. It's essential to combine traditional knowledge with modern agricultural practices to effectively manage dry hot wind and other weather-related threats.