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He observes that work expands so as to fill the time available for its completion.
earthworm like any other worms has its advantages and disadvantages to in the soil.
First earthworm improves the physical structure of the soil by improving both water filtration and absorption rates in the soil. This helps the soil to drain much better there by creating less runoff and erosion. on the same note earthworms increases moisture absorption and availability to plants. this is done through casting which has the capability to absorb moisture from the air and hold it in such away that plants are able to utilize it.earthworms has very minimal pest nature to both soil and plants. So far no record provides the pest nature of earthworms
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