How long can the ammonium and calcium superphosphate be stored?

Chemical fertilizers have no shelf life, but they can survive for long periods of time under good ventilation conditions, suitable ambient temperature and humidity, and no damage to outer bags. However, it is recommended that farmers use them with their purchases. If it is not used up once, the ammonium bicarbonate will affect the application effect due to the volatilization of nitrogen. If superphosphate is mixed with alkaline substances, it may degrade the water-soluble phosphate and reduce the fertilizer effect.

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