Greatindos Premium Quality Vermi composting, or worm composting, turns kitchen scraps and other green waste into a rich, dark soil that smells like earth and feels like magic. Made of almost pure worm castings, it’s a sort of super compost. Not only is it rich in nutrients but it’s also loaded with the microorganisms that create and maintain healthy soil. Clemson University Extension lists the following benefits of vermicompost in on worm composting: