Question

Why are manures and fertilizers added to the soil in a farm​

Answer 1

manual and fertilizers are added to the soil in farms to increase the fertility of soil and the production of crops. manual Sah organic substances and fertilizers and chemical substances. manual is it prepared in field but fertilizers are prepared in factories. manual provides humus to the soil but fertilizers does not provide humus to the soil..

To increase productivity.

For the following reasons manures and fertilizers are added to the soil in farms:

1. To advance land retention.

2. water preserving function.

3. It creates the soil permeable; which results in a good exchange of gases.

4. It expands the number of microorganisms.

5. Give an increased production of the crop.

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Answer 2

Answer:

Manures and fertilizers help in conserving and enriching the fertility of the soil. By growing plants again on the same soil, the soil becomes deficient in nutrients. Thus it is necessary to replenish the soil with these nutrients. That's why farmers add manures and fertilizers to the field.