ContentsVermicompting essentialsVermicompostingRed wigglersWorm castingsTumbling compostersVermicompting essentials Vermicomposting Now Vermicomposting is a type of composting in which certain species of worms are used to enhance the process of organic waste conversion and produce a better end-product. It is the process of using worms and micro-organisms to turn kitchen waste into a black, earthy-smelling, nutrient-rich humus. Small-scale