(1) It should not be contacted or mixed with other alkaline fertilizers or alkaline substances to prevent reducing fertilizer efficiency.
(2) It is not advisable to apply ammonium sulfate for a long time on the same piece of cultivated land, otherwise the soil will become sour and cause compaction. If it is necessary to apply, some lime or organic fertilizer can be applied in an appropriate amount. However, care must be taken not to mix with lime to prevent the decomposition of ammonium sulfate and cause nitrogen loss. Generally, the application of the two should be separated by 3 to 5 days.
(3) Not suitable for application on acidic soils. After being neutralized by ammonium hydroxide and sulfuric acid, it is obtained by crystallization, centrifugation and drying.
