3.1. Introduction

There are various methods of irrigation for different types of crops. These methods depend upon the water requirement of crops.

In general, methods of irrigation depend on the following criteria:

• Water supply available at the source
• Topography of the area
• Climate of the area
• Type and nature of soil
• Type of crops
• Local traditional skills

The various methods adopted for irrigation are:

1. Surface Irrigation
2. Sub-surface Irrigation
3. Sprinkler Irrigation
4. Drip Irrigation