lively earthworms work in fertile soil, integral for composting and natural soil health, amidst vibrant greenery

earthworms organic farming composting vermiculture ecological soil health sustainable gardening natural fertilizers worm castings enrichment ecofriendly agriculture garden ecosystem waste recycling horticulture vermifertilization earthworm cast nutrient cycling regeneration biodegradation balance vermifarming biology compost heap mulch detritus structure humus creation biodiversity aeration decomposers organisms activity regenerative environmental stewardship material green improvement permaculture bed