Table 4 Differences in IFI in NX and SX in different years.

From: The difference in cultivated land soil quality: a comparison between the north and south sides of the Tianshan Mountains

Irrigation patterns

1985

2009

2020

2022

NX

0.66

1.11

1.64

0.99

SX

0.65

1.08

1.05

0.92

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