Table 4 The values of the rainfall infiltration coefficient α (in arid zones, when rainfall amount is < 5 mm, α = 1.).

From: Effects of water-fertiliser coupling on the photosynthesis and quality of Lycium barbarum based on predicted crop evapotranspiration (ETc)

Rainfall amount (mm)

< 5

5–50

> 50

α

0*

0.8–1.0

0.7–0.8

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