Different chemical fertilizers should be classified and stored
2023-01-04 05:07:08
Every winter, farmers in their hands store the fertilizers that were left in the year or purchased for the spring of next year. Some people do not understand the nature of chemical fertilizers, neglect scientific management, and arbitrarily stack them, which not only reduces the fertilizer efficiency, but also is prone to danger.
Various fertilizers have different characteristics, some are acidic or alkaline, some are corrosive or toxic, some are very easy to absorb moisture and agglomerate, some are volatile and lost, and some are flammable and explosive. To this end, it is necessary to adopt proper storage methods according to the different characteristics of various fertilizers to avoid deterioration or reduce fertilizer efficiency.
Different types of fertilizers should be kept in a single storage in the warehouse, labeled with the name and chemical composition, and must not be mixed. Ammonium-nitrogen fertilizers such as ammonium sulfate, ammonium hydrogen nitrate, ammonium chloride and ammonia water are likely to cause nitrogen volatilization and reduce fertilizer efficiency when encountering alkaline fertilizers such as ash, lime and lime nitrogen; nitrate nitrogen fertilizers such as ammonium nitrate and sodium nitrate When the superphosphate is mixed, the fertilizer will deliquesce, causing the nitrate nitrogen to gradually decompose and become a gas to run away, causing undue loss.
Fertilizer should be stored in a dry place in the warehouse, waterproof and moisture-proof. Fertilizers are generally soluble in water. They are easily agglomerated or become liquid after being damp or wet, which seriously affects fertilizer efficiency. Fertilizers such as ammonium nitrate and ammonium bicarbonate have strong hygroscopicity and are highly deliquescent; ammonium sulfate, ammonium chloride, urea and other chemical fertilizers will form a hard block after moisture absorption, which will reduce the fertilizer efficiency and bring trouble to the application. When storing, be careful not to damage the packaging bag, do not accumulate outdoors, and let the wind blow. It should be padded with wooden boards indoors, more than 1 foot above the ground, and the same fertilizer should not be piled too high.
Fertilizer should be stored in a place protected from low temperature and light. Nitrogen fertilizer is afraid of heat. After heat, nitrogen will turn into ammonia and run away, reducing the effectiveness. In particular, ammonium nitrate is flammable and explosive. Never mix it with flammable materials such as gasoline, alcohol or sulfur in a warehouse to avoid accidents. Lime nitrogen is toxic, and the volume is enlarged after damp. It releases poison gas. In case of high temperature, it may cause fire or explosion, so safety must be paid attention to.
Do not place rations, seeds, feed, and tobacco in a warehouse with fertilizers to avoid odor, deterioration, or poisoning after consumption. The warehouse where the fertilizer is stored must be kept dry. It should be protected from light and ventilation. Do not lean against the wall and the ground, and the height should be 2~3 feet to prevent moisture dehydration and reduce fertilizer efficiency.
Various fertilizers have different characteristics, some are acidic or alkaline, some are corrosive or toxic, some are very easy to absorb moisture and agglomerate, some are volatile and lost, and some are flammable and explosive. To this end, it is necessary to adopt proper storage methods according to the different characteristics of various fertilizers to avoid deterioration or reduce fertilizer efficiency.
Different types of fertilizers should be kept in a single storage in the warehouse, labeled with the name and chemical composition, and must not be mixed. Ammonium-nitrogen fertilizers such as ammonium sulfate, ammonium hydrogen nitrate, ammonium chloride and ammonia water are likely to cause nitrogen volatilization and reduce fertilizer efficiency when encountering alkaline fertilizers such as ash, lime and lime nitrogen; nitrate nitrogen fertilizers such as ammonium nitrate and sodium nitrate When the superphosphate is mixed, the fertilizer will deliquesce, causing the nitrate nitrogen to gradually decompose and become a gas to run away, causing undue loss.
Fertilizer should be stored in a dry place in the warehouse, waterproof and moisture-proof. Fertilizers are generally soluble in water. They are easily agglomerated or become liquid after being damp or wet, which seriously affects fertilizer efficiency. Fertilizers such as ammonium nitrate and ammonium bicarbonate have strong hygroscopicity and are highly deliquescent; ammonium sulfate, ammonium chloride, urea and other chemical fertilizers will form a hard block after moisture absorption, which will reduce the fertilizer efficiency and bring trouble to the application. When storing, be careful not to damage the packaging bag, do not accumulate outdoors, and let the wind blow. It should be padded with wooden boards indoors, more than 1 foot above the ground, and the same fertilizer should not be piled too high.
Fertilizer should be stored in a place protected from low temperature and light. Nitrogen fertilizer is afraid of heat. After heat, nitrogen will turn into ammonia and run away, reducing the effectiveness. In particular, ammonium nitrate is flammable and explosive. Never mix it with flammable materials such as gasoline, alcohol or sulfur in a warehouse to avoid accidents. Lime nitrogen is toxic, and the volume is enlarged after damp. It releases poison gas. In case of high temperature, it may cause fire or explosion, so safety must be paid attention to.
Do not place rations, seeds, feed, and tobacco in a warehouse with fertilizers to avoid odor, deterioration, or poisoning after consumption. The warehouse where the fertilizer is stored must be kept dry. It should be protected from light and ventilation. Do not lean against the wall and the ground, and the height should be 2~3 feet to prevent moisture dehydration and reduce fertilizer efficiency.
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According to the adherence requirements of the product, cells are divided into three categories:
Suitable for suspension culture of common cells and tissues;
The standard type has good cell adhesion performance and is suitable for cell adhesion growth;
Dedicated containing cell pastes (cell clusters that can be used in some special cases, such as cell walls, cell surfaces and secretory cells).
According to the shape of the instrument, it is divided into:
Wide body culture flask;
triangle bottle;
Torticollis flask.
cell culture flask,filter cap cell culture flask,suspension culture flasks,cell tissue culture flask
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