Discussion
Eisenia fetida, lumbricus rubellus, Eudrilus eugeniae are important in :
Answer: B
These organisms are important in Vermicomposting.
Eisenia fetida (the red wiggler), Lumbricus rubellus (the red earthworm) and Eudrilus eugeniae (the African nightcrawler) are surface-dwelling earthworms that feed on decaying organic matter and breed quickly. They are the standard species for converting kitchen, farm and market waste into vermicompost, a nutrient-rich organic manure.
Nitrogen fixation is done by bacteria such as Rhizobium and Azotobacter, phosphate solubilisation by bacteria and fungi such as Bacillus and Aspergillus, and insect biocontrol by agents such as Bacillus thuringiensis or parasitoid wasps. Earthworms do none of these.
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