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Which one of the following is not used in organic farming?
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- Glomus
- Earthworm
- Oscillatoria
- Snail
Correct Option: D
Organic farming involves use of organic wastes and other biological material along with beneficial microbes to release nutrients to crop to increase the soil fertility in an ecofriendly, and pollution tree environment. Glomus, earthworm and Oscillatoria can be used in organic farming while snail cannot.