SOP (Sulphate of Potash) is a chloride free water soluble fertilizer. SOP is the best choice for chloride sensitive crops such as tobacco and some fruits and vegetables. Crops that are less sensitive may still require SOP for optimal growth if the soil accumulates chloride from irrigation water.
Soluble Potash (K2O)...................52.00%
Highly concentrated potash fertilizer.
Directions for use
SOP can be supplied as low dust to produce NPK compound fertilizers if the content of chloride ions required is less than 3%. This kind of compound fertilizers are sulphur-based and are suitable for application to chlorine-sensitive plants, such as tobacco, potatoes, sweet potatoes, sugar cane, watermelon, grapes, oranges, beets, apples, tea, cabbage, peppers, lettuce, spinach, and beans. SOP can also be supplied in granular form, it is made by an extrusion granulation process. It is also water soluble and can be applied directly to the crops.