Question

Tabulate the Economic importance of Pteridophyte.​

Answer 1

Explanation:

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.

Answer 2

Answer:

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