Reasonable use of diammonium phosphate can improve the yield of crops, and can also effectively control some plant diseases. Ammonium dihydrogen phosphate is not.
1. Different density: The density of ammonium dihydrogen phosphate is higher than that of diammonium hydrogen phosphate, so it is more favorable for packaging, storage and transportation.
2. Different critical values: The stability and critical relative humidity of ammonium dihydrogen phosphate are higher than those of diammonium hydrogen phosphate.
3. Different losses: The ammonia vapor pressure of ammonium dihydrogen phosphate is very low, so the loss of ammonia during production and use is smaller than that of diammonium hydrogen phosphate.
4. Different characteristics: when diammonium hydrogen phosphate is mixed with superphosphate, it will agglomerate due to the formation of dicalcium phosphate, and reduce the water solubility of phosphorus pentoxide. When ammonium dihydrogen phosphate is mixed with superphosphate, the degree of degradation is less.
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