100 % Organic. Improves soil aeration. Enriches soil with micro-organisms (adding enzymes such as phosphate and cellulase). Microbial activity in worm castings is 10 to 20 times higher than in the soil and organic matter that the worm ingests. Attracts deep-burrowing earthworms already present in the soil. Vermicomposting is the use of worms as a composting method to produce vermicompost. Vermiculture is worm farming for the production of worms. In recent years, worm farming has been practiced on both a small and large scale with three complementary goals in mind: waste diversion, vermicomposting, and vermiculture.