share me class 9 science
3rd term question previous papers
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* Improves soil aeration.
* Enriches soil with micro-organisms.
* Microbial activity in worm castings is 10 to 20 times higher than in the soil and organic matter that the worm ingests.
* Attracts deep-burrowing earthworms already present in the soil.
* Improves water holding capacitcapacity
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