Ammonium sulphate is a very important fertilizer for any kind of soil that's high in pH and needs a little bit of sulfates to work against the high calcium or the high pH. Ammonium sulfate is a very important fertilizer for any kind of soil that's high in pH and needs a few sulfates to work against the high calcium or the high pH. • Ammonium sulfate is used for plants that are producing any kind of oil, like soybeans, sunflower, etc… • Ammonium sulfate is better in spring in the main application of pre-sowing cultivation, which allows even distribution of fertilizer in the field.
