Effects of Subsurface Drip Irrigation on Water Consumption and Yields of Alfalfa under Different Water and Fertilizer Conditions

Figure 3

Water consumption levels of alfalfa during each growth stage. Note: the water consumption of the first, second, and third crops of alfalfa is plotted in the upper, middle, and lower layers in order, and (a–c) represent the low, medium, and high water level treatments in turn.

(a)

(b)

(c)