a compost worm moves through nutrientrich bio humus aiding in the decomposition process. concept

compost worm moves nutrientrich humus aiding decomposition process bio soil organic recycling ecosystem beneficial environment microorganisms earthworms garden sustainability nutrients waste vermicomposting health biodiversity rate composting worms fertility matter microbial activity nutrient cycling red wigglers earthworm castings sustainable agriculture structure carbon footprint environmental impact biodegradable materials aigenerated