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FCS3274: Energy Efficient Homes: The Irrigation System

Figure 3. Efficiency versus uniformity in landscape irrigation (A)Top picture shows the soil reservoir or root zone. (B)Middle left is uniform and efficient (the goal). (C)Middle right is non-uniform and while efficient in terms of conservative water use results in plant quality decline. (D)Bottom left is non-uniform and inefficient due to over watering some areas. (E)Bottom right is uniform but inefficient due to over-watering resulting in drainage below the root zone (which, with time, can result in plant loss as well as the transport of excess nutrients, fertilizers and pesticides that harm the environment.)

Credit: Michael Dukes