Worm castings are the waste of redworms. Worm castings are amazingly rich in nitrogen, phosphates and other minerals. It is a powerful fertilizer and great for growing wheatgrass. Add 20% mix of worm castings to soil for a perfect growth medium. Available in various quantities.
Worm Castings - Natural Fertilizer
Worm castings are the waste product of redworms and castings make a powerful soil additive. Redworms deposit a water-soluble, ready to use casting 5 to 11 times richer in nitrogen, phosphorus and potassium (NPK) than the organic matter they consumed. Also rich in calcium, magnesium and other minerals. The earthworms powerful gizzard grinds the matter while the intestinal tract secretes chemicals which release the major as well as micro plant nutrients and then deposit them directly into the soil where plants can readily feed.
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