Table 2 Soil bulk density and field capacity of 0–200 cm soil layers of the experiment field.

From: Optimized border irrigation improved soil water content, increased winter wheat grain yield and water productivity

Soil layer

2017–2018

2018–2019

Soil bulk density

Field capacity

Soil bulk density

Field capacity

cm

g cm−3

%

g cm−3

%

0–20

1.46

28.22

1.41

29.45

20–40

1.58

24.53

1.57

24.08

40–60

1.56

25.17

1.54

25.74

60–80

1.58

24.31

1.58

23.94

80–100

1.59

24.22

1.61

23.42

100–120

1.57

23.98

1.58

24.11

120–140

1.57

24.75

1.56

25.03

140–160

1.56

23.38

1.57

23.86

160–180

1.57

24.87

1.56

24.27

180–200

1.56

24.79

1.56

24.61

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