Table 6 Nutritional qualities of health indicators of saline-sodic soils across two factors.

From: Combining chemical and organic treatments enhances remediation performance and soil health in saline-sodic soils

Soil nutritionl properties

Factor

Treatment

 

C

GP

ES

VC

BC

GP + VC

ES + VC

TN (%)

F1

0.036 ns

0.055 ns

0.059 ns

0.095 a

0.062 a

0.113 a

0.102 a

F2

0.036

0.050

0.055

0.09 b

0.059 b

0.105 b

0.095 b

Available P (mg kg−1)

F1

6.6 ns

10.5 ns

10.3 ns

15.3 ns

12.7 ns

23.5 a

21.5 a

F2

6.0

10.0

10.1

14.4

12.6

20.9 b

18.9 b

Available K (mg kg−1)

F1

155.6 ns

196.8 a

182.2 a

202.3 a

187.7 a

233.5 a

228.9 a

F2

154.8

170.6 b

160.6 b

185.6 b

165.6 b

209.0 b

206.5 b

Fe- DTPA (mg kg−1)

F1

2.6 ns

5.3 a

5.3 a

5.6 a

4.7 a

6.3 a

6.0 a

F2

2.4

4.0 b

4.0 b

4.2 b

3.5 b

4.5 b

4.6 b

Mn- DTPA (mg kg−1)

F1

3.2 ns

5.9 a

5.1 a

5.7 a

5.0 a

6.5 a

6.3 a

F2

3.0

5.2 b

4.4 b

5.1 b

4.5 b

5.7 b

5.4 b

Zn- DTPA (mg kg−1)

F1

0.50 a

0.98 a

0.99 a

1.06 a

0.89 a

1.37 a

1.12 a

F2

0.39 b

0.86 b

0.88 b

0.95 b

0.74 b

1.18 b

1.05 b

Cu- DTPA (mg kg−1)

F1

0.19 ns

0.25 ns

0.25 ns

0.41 a

0.21 ns

0.44 a

0.35 ns

F2

0.18

0.23

0.22

0.33 b

0.20

0.37 b

0.34

  1. For each soil nutritional indicator, different letters in each column show significant differences at p < 0.05. ns; represents the lack of significant difference.
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