Potassium Sulfate Granular (SOP) (0-0-50+S17%) - 50 lb Bag

Potassium is essential for a vigorous root system, plant growth, disease resistance, as well as fruit and vegetable quality. SOP granular is a naturally mined mineral produced through a solar evaporation process and contains 17% sulfur.

Size of the granular potassium sulfate is either the ag granular or mid granular depending on product availability.

This rate can vary from 1 to 10 lbs per 1000 sq. ft. It is best to apply according to your soil test. For lower application rates you can mix it into a fertilizer to get a more even distribution.