3.Biological properties, is a soil with a balance of microorganisms is a soil with a plaque, and all are small in the soil. Useful quantities, which can control the microorganisms and things are small in the soil.Old plants as well, and microorganisms in soil, can create activities that benefit. To plants as well as Can digest minerals in the soil, which is not beneficial to plants.Old plants and increase more frozen plant nutrients from the air to be useful to plants produce antibiotics against diseases and pests in the soil. Empower to plants and destroy the toxins in the soil
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