How to save the remaining fertilizer

After the beginning of autumn, most of southern China's late rice jointing booting, cotton bursting bolls, can not relax field management; middle rice, summer corn into the mature stage of grout, we must guard against the hazards of hail, strong winds, heavy rain. In the eastern and western parts of South China, drought and flood prevention work should be continued. After the beginning of autumn, in southern China, although the season is still full of summer, a golden “autumn” is coming “every ten days in autumn.” This also indicates that the field crop fertilization period has passed. So, how is the remaining fertilizer stored? Peasants' friends must pay attention to the fact that fertilizers bought with hard-earned money must not be reduced or reduced in efficiency due to poor storage. Specific should pay attention to the following four points:

First, anti-tide deterioration

Ammonium bicarbonate is prone to moisture absorption and causes loss of nitrogen volatilization. Ammonium nitrate is highly hygroscopic and easy to agglomerate and deliquescence. Lime nitrogen and superphosphate are prone to agglomeration after moisture absorption, which affects the application effect. Therefore, these fertilizers should be stored in a dry, cool place, especially when ammonium bicarbonate is stored. The package must be tightly sealed to avoid contact with air.

Second, fire to avoid the sun

After nitrogen fertilizers are exposed to the sun or high temperature, the loss of nitrogen will be accelerated; ammonium nitrate will decompose and oxidize in the event of high temperature, and it will burn in the event of fire, and it must not be hit hard by heavy hammer to prevent explosion. Nitrogen fertilizers should be kept away from the sun during the storage period and no fireworks should be allowed.

Third, anti-volatile loss

Ammonia and ammonium bicarbonate are very volatile and should be sealed during storage. Nitrogen fertilizer and superphosphate are strictly prohibited to be mixed with alkaline substances (lime, grass ash, etc.) in order to prevent the loss of nitrogen fertilizer and reduce the fertilizer efficiency of phosphate fertilizer.

Fourth, anti-corrosion poisoning

Superphosphate is corrosive and prevents contact with skin and metal utensils. Ammonia is strongly corrosive to copper and iron and should be stored in ceramic, plastic, and wooden containers. In addition, chemical fertilizers should not be piled up with seeds, and do not use chemical fertilizers in bags to avoid affecting seed germination.

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