Worm castings contain rich microbiological colonies that help fight soil-borne plant diseases and repel insects. They are water-soluble allowing plants to quickly and easily absorb essential nutrients and trace minerals. Analysis of earthworm castings reveals that they are rich in iron, sulfur, calcium, nitrogen, phosphorus and potassium (NPK rating: 5.5.3). They are much richer in nutrients than bulk compost, Tests have shown improved flower size, bloom quantity, quality and color. Fruit and vegetable tests have resulted in yield improvements from 57% to over 200% as well as improvement in taste and appearance.
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