Apply at a rate of 11.5lbs per 1000 sq ft 

Bag Coverage: 5380 sq ft/bag

This product can be used to loosen heavy clay soil, reduce high levels of magnesium (Mg) and amend areas where salt has accumulated.  Verified Gypsum Soil Amendment can be used any time of year traditional granular fertilizer is applied.  A verified Soil Test Kit may provide alternate recommendations.