Intensive Subsistence Agriculture, Commercial Farming, and Its Classification as Plantation and Extensive Agriculture
are the main ...
Question
_________ are the main sources of biofertilizers
A
All the above
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B
Fungi
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C
Bacteria
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D
Cyanobacteria
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Solution
The correct option is A All the above Microorganisms which enrich the soil with nutrients are called as biofertilizers.
Bacteria, cyanobacteria and fungi are the main sources of biofertilizers.