Question

1.Why is excessive irrigation harmful to the crops?

2. Why should we grow seeds in moist soil?

3. Why do we need to irrigate fields well before sowing seeds?

Answer all
In short please for class 6​

Answer 1

Answer:

1. Excess water supply to the crops may result in a condition known as water loging.it reduces air in the soil thereby damaging the roots. if too much of water is in the soil then water will log and there wont be an air for the plant to breathe through

Explanation:

2.Actually seeds need moisture and sunlight to germinate. So we put seeds in wet soil so that seeds can take sufficient water from soil and take sunlight for its growth. Seeds have all nutrients stored in it for the plant until it grows enough to make its own food through photosynthesis

3.Before sowing, soil should be prepared well by ploughing and watering. Irrigation helps to moisture and loose the soil. It is necessary to loosen soil Because only loose soil allows the roots to penetrate freely deeper into soil.

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