Originally Posted by Hineline
Leonardite is Jurassic period compost. The liquid form has usually been activated and it's properties can readily be available for organic chelation of minerals for plant uptake along with it's plant health properties. Many dry humates are unprocessed or not activated and will take time to work in soils but that will give them a timed release mechanism for sandier soils.
True, most "dry" humates are not "activated", or soluble, but they are a stable form of humus/carbon. I use fertilizers with containing soluble humate, and a lenardite products that are coated with soluble humate.