Table 4 Initial properties (year 1995) of the study site (N = 8).

From: Assessing the influence of changes in land use-land cover on soil properties of degraded sodic lands in Indo-Gangetic plains

Soil parameters

Soil depth (cm)

0–15

15–30

30–60

60–90

90–120

Sand (%)

62.40 ± 1.45

49.60 ± 2.10

48.30 ± 0.80

57.00 ± 1.20

52.30 ± 0.90

Silt (%)

19.80 ± 0.61

25.40 ± 0.75

20.90 ± 0.70

23.40 ± 0.80

25.50 ± 1.20

Clay (%)

17.80 ± 0.60

25.00 ± 0.80

30.80 ± 1.10

19.60 ± 0.90

22.20 ± 1.00

Bulk density (g cm− 3)

1.60 ± 0.01

1.57 ± 0.02

1.53 ± 0.01

1.50 ± 0.04

1.49 ± 0.02

Porosity (%)

42.40 ± 0.60

44.20 ± 0.50

44.40 ± 0.30

42.20 ± 1.00

38.50 ± 0.60

WHC (g kg− 1)

3.20 ± 0.02

3.60 ± 0.03

3.80 ± 0.02

3.80 ± 0.03

3.30 ± 0.01

Infiltration rate (mm day− 1)

4.00 ± 0.02

–

–

–

–

pH1;2

10.50 ± 0.10

10.40 ± 0.20

10.40 ± 0.10

10.00 ± 0.20

9.60 ± 0.20

EC1:2 (dS m− 1)

2.42 ± 0.10

1.43 ± 0.12

0.86 ± 0.03

0.64 ± 0.04

0.45 ± 0.01

ESP

89 ± 2.50

91 ± 4.00

85 ± 2.60

80 ± 2.50

60 ± 3.20

SOC (g kg− 1)

0.80 ± 0.02

0.80 ± 0.03

0.60 ± 0.02

0.60 ± 0.02

0.60 ± 0.02

Ca2+ + Mg2+ (me l− 1)

2.10 ± 0.21

2.60 ± 0.12

1.60 ± 0.06

1.60 ± 0.02

2.10 ± 0.01

Na+ (me l− 1)

11.70 ± 0.07

24.90 ± 0.11

25.60 ± 0.06

19.30 ± 0.07

4.10 ± 0.02

K+ (me l− 1)

0.05 ± 0.01

0.06 ± 0.001

0.01 ± 0.001

0.01 ± 0.001

0.04 ± 0.001

CO3− (me l− 1)

0.00±

6.00 ± 0.04

2.50 ± 0.02

4.00 ± 0.03

1.00 ± 0.002

HCO3− (me l− 1)

12.50 ± 0.15

15.50 ± 0.34

22.00 ± 0.43

11.00 ± 0.32

3.00 ± 0.01

Cl (me l− 1)

2.00 ± 0.03

3.50 ± 0.02

7.00 ± 0.02

3.00 ± 0.01

3.00 ± 0.01

SO4 (me l− 1)

0.00 ± 0.001

0.60 ± 0.002

0.50 ± 0.001

3.30 ± 0.002

11.00 ± 0.06

CaCO3 (g kg− 1)

14.10 ± 2.10

12.60 ± 1.20

23.20 ± 2.00

23.20 ± 4.00

37.70 ± 0.90

Alkaline KMnO4–N (kg ha− 1)

94.00 ± 1.20

62.72 ± 1.00

54.60 ± 1.50

45.10 ± 1.43

40.60 ± 1.20

Olsen’s P (kg ha− 1)

25.00 ± 0.40

21.60 ± 0.50

18.50 ± 0.40

17.00 ± 0.32

16.10 ± 0.20

Available K (kg ha− 1)

388.80 ± 22.5

384.00 ± 21.20

321.40 ± 12.40

238.60 ± 16.40

169 ± 11.20

Bacterial count (cfu g− 1)

6.3 × 104 ± 0.33

    

Fungal count (cfu g− 1)

2.14 × 103 ± 0.12

    

MBC (µg g− 1)

24.34 ± 1.23

    

MBN (µg g− 1)

2.32 ± 0.22

    

MBP (µg g− 1)

4.45 ± 0.14

    

Dehydrogenase activity (TPFg− 1h− 1)

1.38 ± 0.06

    
  1. pH1:2 and EC1:2 refers to soil: water suspension ratio of 1:2, ESP exchangeable sodium percentage, BD bulk density, IR infiltration rate; WHC, water-holding capacity, SOC soil organic carbon, MBC microbial biomass carbon, MBN microbial biomass nitrogen, MBP microbial biomass phosphorus.
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