photo-post Soil care and closing nutrient cycles: mulching with feathers from harvested ducks, coffee grinds from the neighboring restaurant, and free biomass from a garden care team Soil care and closing nutrient cycles: mulching with feathers from harvested ducks, coffee grinds from the neighboring restaurant, and free biomass from a garden care team. #soil #nutrientcycling #mulch #feathers #coffeegrinds #biomass