Yield from Raghu's farm land was reducing year by year. He consulted an agriculture officer who had suggested him to use an organic substance X to increase yield and also retain the fertility of soil. Identify X.
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Q2
Yield from Raghu's farm land was reducing year by year. He consulted an agriculture officer who had suggested him to use an organic substance X to increase yield and also retain the fertility of soil. Identify X.
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Q3
The bacterium which reduces the fertility of soil is
