(1) It can be used as base fertilizer. When potassium sulfate is used as a base fertilizer in dry fields, the soil must be deeply applied to reduce the fixation of potassium crystals, and the root system of the crop can be used for absorption to increase the utilization rate.
(2) Potassium sulfate is more expensive. In general, except for crops that are sensitive to chlorine, potassium sulfate should not be used for those that can use potassium chloride.
(3) The effect is better for cruciferous crops and garlic and other crops that require a lot of sulfur, and should be used first.