Give any two economic importance of pteridophyta.
Answers
Answered by
1
Besides being a lower plant, pteridophytes are economically very important. ... Aquatic pteridophyte Azolla is used as a biofertilizer. Azolla forms a symbiotic relationship with cyanobacteria and therefore, former is used in water¬logged rice fields as a green manure which provides nitrogen to the plant
Similar questions