earthworm | reddish-gray-colored common earthworm or night crawler on farmer hand,their digestive processes turn organic matter in

agriculture andrei animal background bait biology boat business close compost crawl detritus dew dirt earth earthworm earthworms ecology eisenia environment farm fertile fertilizer fetida fishing garden ground group hand hold humus invertebrate land layout lure macro natural nature organic pink plant rain red rich soil tone wild wildlife worm