What is the main source of irrigation?

Explanation

**Step-by-Step Text Solution:**

1. **Understanding Irrigation**: Begin by defining irrigation. Irrigation refers to the artificial application of water to soil or land to assist in the growing of crops. It is essential for providing the necessary moisture for plants, especially in areas where rainfall is insufficient.

2. **Importance of Irrigation**: Recognize the significance of irrigation in agriculture. In India, a large portion of the population, about 70%, relies on agriculture for their livelihood. Therefore, effective irrigation is crucial for crop production.

3. **Main Sources of Irrigation**: Identify the primary sources of irrigation. The main source of irrigation is groundwater, which is accessed through wells and tube wells. Groundwater is a reliable source because it can be tapped into regardless of surface water availability.

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