African Night Crawler earth worms digging through the top soil laden with decomposing materials

african night crawler earth worm eudrilus eugeniae eudrilus eugeniae nobody macro closeup close up no people dig soil top soil compost fertilizer material ground level long cylindrical tubelike body earthworm agriculture vermicompost tropic bait worm casting worm casting cast worm farm farm farming animal worm bin crawl worm bed bed biology composting environment garden organic outdoor outside day