Area

Buffer number

Distance from the river (km)

Amount

Soil salinity (%)

North

1

0 - 5

13

0.29

2

5 - 10

3

0.22

3

10 - 15

11

0.32

4

15 - 20

7

3.09

South

1

0 - 5

50

0.35

2

5 - 10

38

0.48

3

10 - 15

26

0.61

4

15 - 20

18

0.63

5

20 - 25

12

0.65

6

25 - 30

8

1.35