Fertility of soil can be improved by :
Aadding living earthworms
Badding dead earthworms
Cremoving dead earthworms
Dremoving living earthworms and adding dead earthworms
Answer & Solution
Correct answer: A. adding living earthworms
This Agriculture item tests a core Indian Geography fact.
Correct answer: adding living earthworms.
_Source: SSBCrack 1250+ Indian Geography MCQs (PYQ bank) (orig. IAS 1989)_
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