Cotton remains the key driver of rural economic growth in our county. To ensure high-quality and efficient cotton production, and to enhance the grade and market competitiveness of local cotton, it is essential to apply ethephon at the right time and in the correct amount, taking into account weather conditions. According to **China Pesticide Network**, here are some important details to consider:
1. **Best Time for Ethephon Application**
Based on meteorological forecasts, the first frost in our county is expected around September 28 — slightly earlier than last year. Therefore, the optimal time to spray ethephon on cotton crops is around September 10. Spraying too early can lead to shorter cotton fibers and an increase in alfalfa seed production, both of which negatively affect quality and yield. Timing is crucial to maximize the benefits of ethephon application.
2. **Proper Use of Ethephon**
It’s important to avoid overuse of **pesticides** in current farming practices. According to field experience, a standard application rate is 250–300 grams of 40% ethephon per acre, mixed with 30 kg of water. The spraying should be done evenly and preferably on sunny days to ensure maximum effectiveness. Farmers are advised to follow these guidelines closely to achieve better results without harming the environment or crop health.
In addition to following these best practices, farmers should also monitor weather forecasts regularly and adjust their application schedules accordingly. By doing so, they can not only improve the quality of their cotton but also contribute to the long-term sustainability of the agricultural sector in our county.
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