Rock Dust Application

Rock dust can be applied in any way that gets it onto the ground, whether it be by hand, with a shovel, or with a spreader. Another method is to incorporate it into a compost and apply this finished organic matter.

Remineralize the Earth recommends from 3-10 tons/acre (150-500 lbs/1000sqft), depending on the quality of moisture and organic matter in your soil.

When composting, Phil Callahan recommends 40-50lbs/cubic yard. On the other hand, Remineralize The Earth says 2-20lbs/cubic yard.

The label for this product says to use 50-100lbs/1000 sqft. Another label I have seen for this product says that you can use up to 220lbs/1000sqft.

Still, amazing results have been seen with less than 200lbs/acre with certain dusts. For now, I have been recommending 50lbs/1000sqft as a good starting point, but if you have a big area and don't want to spend that much money, it seems that a smaller application would still be beneficial.