Earthworms are animals that are extremely important to the animal's ecosystem is extremely important in the degradation of organic compounds in soil and sediment in soil of earthworms are considered as to loosen soil. Soil contains spaces to add oxygen to the ground, which is important for the plant is also used in the production of compost and water and bio-fermentation from earthworms as well. And in addition, earthworms are also popular with long- Used as bait for fishing and farming are earthworms and published as knowledge and understanding about earthworms, and wider.
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