Ammonium bicarbonate, ammonia water, ammonium sulfate, etc. in nitrogen fertilizer are not non-volatile under low temperature conditions, but are slower in volatilization rate and less volatile than in summer and autumn high temperature seasons. Ammonium nitrate in nitrogen fertilizer, potassium nitrate and sodium nitrate in potassium fertilizer, although it is prone to combustion and explosion at high temperatures, it is also dangerous to store it in the kitchen or heating stove in winter. The corrosiveness of superphosphate does not have much to do with the temperature. Cloth bags, sacks, etc., if exposed to superphosphate, will be corroded, and the contents of the bag, such as seeds, salt, soda ash, etc. will deteriorate. When the nitrogen fertilizer is volatilized, it will turn into water vapor in the air, and it will turn into ammonium chloride with strong corrosiveness. When the seed encounters, the embryo will lose the budding power. When it meets the grain, it will deteriorate. When it encounters the pesticide, it will be invalidated. Iron can cause it to corrode and peel off.
For the above reasons, storing fertilizer in the cold season also needs to be done:
1. Seal and store to prevent evaporation. Many nitrogen fertilizers, such as ammonium sulfate, ammonium hydrogencarbonate, ammonium nitrate, etc., are extremely unstable due to their nature, and are easily decomposed and volatilized during storage to reduce fertilizer efficiency. Therefore, such fertilizers should be stored in airtight plastic bags or other sealed and corrosion-resistant containers.
2, waterproof and moisture-proof. The nitrogen fertilizer in the nitrogen fertilizer can dissolve in the water, and it is easy to agglomerate or lose water after being wet or wet. Therefore, during storage and storage, be sure to keep dry and prevent the bag from being broken. If the bag breaks, it begins to absorb moisture and agglomerate, which then dissolves the drip and causes damage.
3. Pay attention to fire prevention. Ammonium nitrate fertilizer is flammable and flammable. It is easily oxidized at high temperature and burns or explodes. Therefore, to store such fertilizers, pay attention to fire prevention, do not approach the stove, and do not store with flammable materials. Fertilizers that can chemically react with each other are preferably stored separately.
4. Anti-pollution. Ammonia can not be placed in the bedroom or hall, so as to avoid the volatile ammonia gas irritating the eyes, nose and respiratory tract, which is harmful to health.
5, anti-corrosion. Fertilizers are more or less corrosive, and must be strictly selected for storage containers. Carbon ammonia, calcium superphosphate, etc., should never be stored in cloth bags, sacks and paper bags, and should be stored in plastic bags or porcelain jars. All kinds of chemical fertilizers cannot be stored in a house with seeds, grain and oil, and agricultural tools.
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▪ Temp.:between ~0° C and 120-180° C
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