What are the main types of irrigation systems used on farms?

Agricultural irrigation systems are essential for managing soil moisture and ensuring crop growth. The primary methods used on farms include:

• Surface Irrigation: This traditional method distributes water across the soil surface using gravitational flow. It is typically categorized into flood systems, where water covers the entire field, and furrow systems, where water is directed through channels plowed between crop rows.1234
• Sprinkler Irrigation: This technique applies water under pressure to simulate rain. Modern systems, such as center-pivot or traveling sprinklers, are highly efficient and allow for controlled application rates. They are often used to apply fertilizers or pesticides alongside water.1234
• Drip Irrigation: Widely considered the most efficient method, this system delivers water directly to plant roots at a very low rate through small tubes. It is highly effective for maintaining optimal soil moisture levels.23
• Subirrigation: This method distributes water below the soil surface, providing moisture to roots through upward capillary action. It is most effective in specific conditions where an impermeable layer exists below the root zone to trap water.234