The weather is getting colder. Many farmers' friends will have the remaining pesticide products . If they are not well preserved, they may invalidate the pesticides. How can the pesticides be preserved in the cold? How to save pesticides is safer and more effective? Today, China's pesticide network Xiaobian summarized this issue for everyone as follows:
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Preservation of pesticides in low temperature conditions requires consideration in many ways. The pesticide network is summarized as follows.
First, the temperature of the pesticides
The higher the temperature, the easier the pesticide will melt, decompose, volatilize, and even burn and explode. Some bottled liquid pesticides tend to freeze when they encounter low temperatures, form a block, or freeze the bottle. The high temperature pesticide should be stored in a cool, dry, ventilated place, and the storage temperature should not be higher than 35 °C. Anti-freezing should be taken to prevent freezing and keep the temperature above 1 °C. A common method of antifreeze is to cover the insulation with chopped firewood, clam shells or unused quilts.
Second, store pesticides to prevent sun exposure
Pesticides contained in brown bottles generally need to be stored in the dark, such as phoxim pesticides, which are easily decomposed. Pesticides that need to be protected from light, if exposed to light for a long time, will cause decomposition and deterioration of pesticides. For example, after the sunscreen of the emulsion pesticide, the emulsifying property is deteriorated and the efficacy is lowered. Therefore, it is necessary to avoid exposure to sunlight during storage.
Third, pesticides are stored according to classification according to chemical composition, pesticides can be divided into three categories: acidic, alkaline, and neutral. These three types of pesticides should be stored separately, not too close to prevent the deterioration of pesticides; nor can they be stored together with alkaline substances, ammonium bicarbonate or ammonium nitrate.
4. Pesticide storage is anti-volatile, anti-deterioration and anti-moisture. Because most pesticides are volatile, it is necessary to pay attention to the sealing measures when storing pesticides, avoiding volatilization and reducing the efficacy, polluting the environment and endangering human health; pesticides must be classified and stored. It should not be stored together with alkaline substances, ammonium bicarbonate, ammonium nitrate, etc.; the place where the pesticides are stored should be kept dry (relative humidity below 75%) to prevent moisture.
Finally, the Chinese pesticide network Xiaobian warm reminder: pesticides can not be stored in the same room as grain and oil, beans, seeds, vegetables, food and animal feed, pay special attention not to be placed in children's places; powder pesticides should be placed in a dry place, Prevents moisture from agglomerating and fails.