Answer:
Chemicals from fertilizers and pesticides
are highly toxic to human beings and animals alike, and have been polluting our
environment. To reduce the environmental degradation caused by chemicals,
microbes can be used both as fertilizers and pesticides and can be called
biofertilisers and biopesticides, respectively.
Microbes are used as biofertilisers to
enrich the soil nutrients, e.g., Rhizobium, Azotobacter,Azospirillum, etc.,
which can fix atmospheric nitrogen in the soil. Bacillus thuringiensis bacteria
act as biopesticides to control the growth of insect pests.
Trichoderma, fungal species, is
effective bicontrol agent of several plant pathogens.
Baculovirus used as biological
control agents in genus Nucleopolyhed rovirus are excellent for
species-specific, narrow spectrum insecticidal applications.
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