CTET 2 Math and Science 5 Jan 2022 Paper

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Question : 78 of 150

Marks: +1, -0

The activities which are practised to enrich or replenish the soil with nutrients are

crop rotation, deep ploughing, adding manures
crop rotation, adding manures, adding fertilizers
adding manures, adding fertilizers, irrigation
adding manures, crop rotation, irrigation

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