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Subject :NSO    Class : Class 7

Raghu used excessive chemical fertilisers in his field while Raman found the soil of his field to be basic in nature. What should they add to their fields to improve the quality of the soil?

A Raghu : Organic matter Raman : Quick lime
B Raghu : Quick lime Raman : Organic matter
C Both should add quick lime.
D Both should add organic matter.

Ans 1:

Class : Class 6

Ans 2:

Class : Class 6

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