what is economical importance of pteridophyta?????
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- Food
- FoodSoil binding
- FoodSoil bindingScouring
- FoodSoil bindingScouringNitrogen fixation
- FoodSoil bindingScouringNitrogen fixationMedicines
- FoodSoil bindingScouringNitrogen fixationMedicinesOrnamentals
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It's an economically valuable species which is used as a bio fertilizer. Since Azolla leaves contains symbiotic cyanobacteria that are able to convert atmospheric nitrogen to nitrate. Some members of pteridophytes are noxious weed like Salvinia, Pteridium which are weedy aquatic ferns.
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