Table 1 Soil properties.

From: Root zone diazotrophs of wheat in coastal saline soils from water-scarce regions of the Bohai Sea

 

EC (μS/cm)

pH

SOM (g/kg)

TN (g/kg)

TP (g/kg)

TK (g/kg)

AN (mg/kg)

AP (mg/kg)

AK (mg/kg)

Low salinity

221 ± 6.2

8.0 ± 0.05

22.7 ± 0.0

1.13 ± 0.01

0.95 ± 0.01

17.9 ± 0.0

95.5 ± 0.4

30.5 ± 0.1

360.0 ± 0.8

Medium salinity

383 ± 4.7

7.8 ± 0.05

22.4 ± 1.5

1.46 ± 0.02

1.00 ± 0.01

16.8 ± 0.4

115.0 ± 6.0

16.5 ± 0.4

328.0 ± 5.8

High salinity

899 ± 36.6

7.9 ± 0.01

19.4 ± 0.2

1.11 ± 0.05

0.98 ± 0.02

19.4 ± 0.3

91.1 ± 1.4

11.7 ± 0.1

317.0 ± 1.1

  1. Means ± standard deviation.
  2. EC: electric conductivity; SOM: soil organic matter; TN: total nitrogen; TP: total phosphorus; TK: total potassium; AN: alkali-hydrolyzable nitrogen; AP: available phosphorus; AK: available potassium.