Preservation of pesticides
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First, unused pesticides should be stored in a separate, well-ventilated room and never left unattended. It is especially important to keep them away from food items. Some liquid pesticides, if the cap is not tightly sealed, can easily evaporate and contaminate nearby food, leading to serious cases of food poisoning. Always make sure the containers are properly closed and kept in an area that is inaccessible to children or pets.
Second, it's crucial to prevent mixing of pesticides with fertilizers or other chemicals. Pesticides often have different chemical properties—some are acidic, while others are alkaline. Mixing them together can cause dangerous chemical reactions, reducing their effectiveness or even making them harmful. For example, some farmers mistakenly pour leftover pesticides into the same bottle, but if they are of different types, they may react and lose their potency. A common example is when ammonium bicarbonate reacts with heat to form ammonia, which can neutralize certain pesticides and render them ineffective.
Third, pesticides must be stored in a cool, dry, and shaded place. Exposure to moisture can cause liquid pesticides to solidify or form sediments, while powdered pesticides may clump and degrade over time. High temperatures can also be dangerous, as prolonged exposure to sunlight might lead to container expansion or even explosions in extreme cases. Therefore, it's essential to store pesticides in airtight containers, away from direct sunlight and humidity, and always ensure the lids are securely closed to prevent evaporation and maintain their quality.
Fourth, when using pesticides, always check the expiration date. Never use pesticides that have passed their shelf life, as they may no longer be effective or could even be hazardous. Proper storage and regular checks can help ensure safety and efficiency in pest control. It's also a good practice to label containers clearly and keep a record of when each product was purchased or opened. This helps in managing inventory and avoiding waste.