Multiple choice

Why is preparation of soil a very important task in agriculture?

  1. It kills microbes present in the soil.

  2. It brings nutrient rich soil to the top.

  3. It remove weeds present in the crop.

  4. It kills earthworms present in the soil.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

 The growing crops draw various nutrients from the soil and make the top soil deficient in nutrients. Before growing next crop, soil needs to be turned so, the lower nutrient rich soil layer comes at the top. 

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