Will chemical fertilizer volatilize in winter? How to store fertilizer in winter?

The weather is cold in winter, and many people are too casual about the storage of chemical fertilizers, mistakenly thinking that chemical fertilizers will not volatilize in winter. In fact, this idea is wrong. Now I can tell you clearly that if you don't master the storage method of fertilizer, fertilizer will evaporate in winter! So how to store fertilizer in winter? Let's take a closer look.

Will chemical fertilizer volatilize in winter? Yes!

Ammonium bicarbonate, ammonia water, ammonium sulfate, etc. Nitrogen fertilizer does not volatilize at low temperature, but the volatilization speed is slower than that in summer and autumn, and the volatilization amount is less.

Although ammonium nitrate in nitrogen fertilizer, potassium nitrate and sodium nitrate in potassium fertilizer are easy to burn and explode at high temperature, it is also very dangerous to store them in the kitchen or near the heating stove in winter.

The corrosiveness of calcium superphosphate has little to do with temperature.

As long as cloth bags and sacks come into contact with calcium superphosphate, they will be corroded, and the contents in the bags, such as seeds, salt and soda ash, will deteriorate.

After nitrogen fertilizer volatilizes, water vapor in the air will be converted into ammonium hydroxide with strong corrosiveness. When it comes to seeds, it will lose its germination power, when it comes to grains, it will deteriorate, when it comes to pesticides, it will fail, and when it comes to wood products and iron, it will corrode and peel off.

How to store fertilizer in winter?

1, different kinds of fertilizers should be put in one deposit slip.

Every winter, farmers have the surplus fertilizer of the year or buy it for next spring sowing. Some people don't understand the nature of chemical fertilizers, ignore scientific storage and pile them up at will, which not only reduces fertilizer efficiency, but also is prone to danger.

All kinds of fertilizers have different characteristics, some are acidic or alkaline, some are corrosive or toxic, some are easy to absorb moisture and agglomerate, some are volatile and lose, and some are flammable and explosive.

Therefore, it is necessary to adopt appropriate storage methods according to the different characteristics of chemical fertilizers to avoid deterioration or reduce fertilizer efficiency.

Different types of fertilizers should be put on a single deposit slip, indicating the name and chemical composition, and should not be mixed.

Ammonium nitrogen fertilizer, such as ammonium sulfate, ammonium chloride, etc., meets plant ash, lime and other alkaline fertilizers, which will easily cause nitrogen volatilization and reduce fertilizer efficiency. Mixing nitrate nitrogen fertilizer such as ammonium nitrate and sodium nitrate with superphosphate will deliquesce the fertilizer, which will lead to the gradual decomposition of nitrate nitrogen, turn into gas and lose, resulting in undue losses.

2, waterproof and moisture-proof.

Fertilizer should be stored in a dry place in the warehouse, waterproof and moisture-proof.

Fertilizer is generally soluble in water, and it is easy to agglomerate or become liquid when it is wet or meets water, which seriously affects fertilizer efficiency.

Fertilizers such as ammonium nitrate and ammonium bicarbonate have strong hygroscopicity and are easy to deliquesce; Ammonium sulfate, ammonium chloride and urea will form caking after absorbing water, which not only reduces fertilizer efficiency, but also brings trouble to application.

Beware of damaged packaging bags during storage. Do not pile them outdoors and expose them to wind, snow and sunlight.

Indoor boards should also be padded, more than 0.3 meters from the ground, and the same fertilizer should not be piled too high.

3, fire protection and sun protection.

Fertilizer should be stored in a low temperature and dark place, and nitrogen fertilizer is afraid of heat. After heating, nitrogen will become ammonia and escape, reducing its effectiveness.

Especially ammonium nitrate is flammable and explosive. Never mix it with flammable items such as gasoline, alcohol or sulfur in the warehouse to avoid accidents.

4, anti-corrosion poisoning.

Fertilizers are generally corrosive, especially those with strong acidity and alkalinity.

Calcium superphosphate is corrosive because it contains free acid, so it should be prevented from contacting with skin and metal utensils. Ammonia is very corrosive to copper and iron, so it should be stored in cement, ceramics, plastics and wooden containers.

These fertilizers currently stored and used.

The gas they volatilize has a pungent smell and is toxic to human body, so long-term direct contact should be avoided.

Never mix toxic fertilizers into food, feed and agricultural and sideline products to prevent human and animal poisoning.

5. Anti-volatilization loss.

Ammonia and ammonium bicarbonate are easy to volatilize and lose, so they should be sealed when stored.

Nitrogen fertilizer and superphosphate are forbidden to be mixed with alkaline substances (lime, plant ash, etc.). ) to prevent the volatilization loss of nitrogen fertilizer and reduce the fertilizer efficiency of phosphorus fertilizer.

It seems that even in winter, we can't slack off on the storage of chemical fertilizers.

After the above, we all know that fertilizer will volatilize in winter, so we must pay attention to the above problems when storing fertilizer in winter to ensure that fertilizer is stored well! Well, have you learned to store fertilizer in winter?