What is essential to check during a drip irrigation test to ensure proper functionality?

• A. Soil Composition
• B. Pressure at Multiple Locations
• C. Water Temperature
• D. Emitter Size

Answer: (B)

To ensure proper functionality of a drip irrigation system, it is vital to check the pressure at multiple locations. This is because pressure affects the uniformity of water distribution throughout the system. If the pressure is too low, emitters may not discharge water effectively, leading to dry spots in the landscape. Conversely, if the pressure is too high, it can cause excessive flow and even damage to the emitters or the system itself.

By measuring pressure at various points within the irrigation system, one can assess whether the entire layout is receiving adequate water delivery and can make necessary adjustments or repairs. This ensures that the system operates efficiently, delivering water exactly where it is needed, thereby promoting healthy plant growth while conserving water.

Soil composition, water temperature, and emitter size, although important considerations in irrigation design and implementation, do not directly influence the immediate operation and functionality of the drip irrigation system during a test. Pressure is a more critical factor for ensuring that the system meets its intended performance criteria.