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With the arrival of winter, farmers have significantly reduced their use of pesticides. The remaining stock and those to be used next year are now entering the storage phase. To ensure the effectiveness, safety, and environmental protection of these chemicals, it is crucial to follow these eight key guidelines when storing pesticides:
1. **Prevent Volatility**: Most pesticides are volatile, so proper sealing is essential during storage. This helps prevent evaporation, which can reduce efficacy, pollute the environment, and pose health risks to humans and animals.
2. **Prevent Accidents**: Pesticides are toxic and must be stored with caution. First, store them in a locked cabinet or wooden box and clearly label them. Second, never store pesticides in the same area as food, grains, oils, or animal feed. Third, avoid keeping emulsifiable concentrates and fumigants near flammable or explosive materials like gasoline or fireworks. Do not store them in bedrooms or livestock areas. Finally, keep them out of reach of children to prevent accidental poisoning.
3. **Maintain Labels and Instructions**: Always retain the original labels and usage instructions for all purchased pesticides. If only a small amount is left, make sure to re-label the container with the pesticide name, application method, dosage, expiration date, and intended use. If the label is missing or damaged, rewrite the information and attach it securely to the container.
4. **Prevent Deterioration**: Store different types of pesticides separately. Avoid mixing them with alkaline substances, ammonium bicarbonate, or ammonium nitrate, as this can cause chemical reactions that degrade the product.
5. **Avoid Moisture**: Keep the storage area dry, with humidity below 75%. Moisture can cause pesticides to degrade or lose potency.
6. **Control Temperature**: High temperatures can cause pesticides to melt, decompose, or even explode. Some liquid formulations may freeze in cold weather, leading to blockage or cracked containers. Store pesticides in a cool, dry, and well-ventilated place, with temperatures not exceeding 35°C. In colder climates, take anti-freezing measures, such as covering containers with straw, clamshells, or old blankets to keep the temperature above 1°C.
7. **Protect from Light and Sun**: Many pesticides, especially those in brown bottles, are sensitive to light. Exposure to sunlight can cause decomposition and reduce effectiveness. For example, emulsion-based pesticides may lose their emulsifying properties if exposed to light. Always store them in dark, cool places away from direct sunlight.
8. **Prevent Environmental Pollution**: Never dispose of leftover or expired pesticides by dumping them in fields, pouring them into water sources, or discarding them in wells. Instead, bury them deeply to prevent contamination of soil and water.
By following these precautions, farmers can safely and effectively manage their pesticide storage, ensuring both personal safety and environmental protection.
Author: Yang Jinrong
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