There’s a yardstick among gardeners that good, rich soil with lots of actively decaying organic matter in it should have about a dozen or more earthworms (Lumbricus terrestris) in each cubic foot. But ...
Manure is an organic fertilizer made from the dung of domestic livestock including horses, cows, and poultry. It may also contain urine and bedding material like straw or sawdust. Manure is an ...