cluster of vibrant earthworms in rich soil, representing organic composting and the cycle of natural fertilization

earthworms soil fertility organic waste worm compost vermicomposting composting process natural recycling sustainable agriculture farm aeration ecofriendly garden worms farming decomposition nutrientrich red health biological activity vermiculture ecological cast fertilization decomposers humus eco gardening material ecosystem earthworm habitat environmental care bioconversion vermifertilization management