Which of the following is a false statement about Precipitation Rate?

• A. Matched Precipitation Rate increases arc and flow rate
• B. Un-matched rates lead to continuous flow
• C. Net Rate should be looked up in manufacturer’s specs
• D. Precipitation Rate affects irrigation efficiency

Answer: (B)

The statement about un-matched rates leading to continuous flow is false because un-matched precipitation rates typically do not create continuous flow but rather result in uneven water distribution across a landscape. When different irrigation zones or emitters have varying rates of precipitation, some areas may receive too much water while others receive too little. This imbalance often leads to overwatering in certain spots, causing runoff, while other areas may remain dry, indicating a lack of consistent or efficient irrigation.

Matched precipitation rates, on the other hand, are crucial for achieving uniform irrigation across a landscape. This ensures that all areas of the lawn or garden receive the right amount of water at the same time. The reference to net rates in manufacturer's specifications is important to design systems correctly, and the impact of precipitation rate on irrigation efficiency underscores the necessity for proper system design to maximize water efficiency and support plant health. Thus, identifying the mismatch of rates is essential for effective irrigation management, making the other statements accurate reflections of the role and expectations of precipitation rates in irrigation systems.