Ammonium bicarbonate should not be used in greenhouses and greenhouses. Ammonium bicarbonate volatilizes because it easily decomposes into ammonia in the greenhouse.
Ammonium sulfate is not suitable for long-term use. The fertilizer is a physiological acid fertilizer. Long-term use in a piece of land will increase the acidity of the soil and damage the soil structure. In alkaline soils, ammonium ions in ammonium sulfate are absorbed, and sulfate ions remain in the soil and react with calcium to make the soil harden.
Ammonium bicarbonate should not be applied shallowly, the application depth should be more than 6 cm, and the soil should be covered immediately after application.
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