Table 1 Influence of conventional and organic coffee farming practices on soil physical and chemical properties of soil.

From: Soil quality and microbial diversity across organic and conventional coffee in central Western Ghats India

Parameters

Conventional coffee farming system

Organic coffee farming system

SE ± m

C.D (p = 0.05)

Min.

Max.

Mean

SD

Min.

Max.

Mean

SD

Sand (%)

60.60

82.10

65.08

4.29

56.44

81.69

64.28

6.37

0.21

NS

Silt (%)

16.02

37.52

10.72

4.29

3.18

28.43

10.51

6.27

0.065

NS

Clay (%)

20.43

41.93

24.23

4.28

15.74

40.99

23.98

5.32

0.072

NS

BD (g cm–3)

1.09

1.52

1.36

0.09

1.03

2.61

1.28

0.21

0.02

0.06

PD (g cm–3)

2.40

2.90

2.68

0.13

2.43

4.19

2.75

0.30

0.032

NS

MWHC (%)

35.36

76.30

41.29

8.37

24.14

60.06

51.57

7.59

0.94

2.09

Porosity (%)

35.88

64.09

54.90

6.13

37.95

72.53

50.73

5.68

6.28

NS

pH (1:2 soil water ratio)

4.01

638.00

5.48

0.60

3.69

6.62

5.17

0.67

0.10

0.265

EC (dS m− 1)

104.86

31.62

104.86

94.67

35.90

290.6

97.5

51.82

1.25

3.68

OC (g kg− 1)

10.95

18.60

15.51

1.77

13.85

18.35

16.10

1.79

0.23

0.66

N (kg ha− 1)

211.99

496.12

377.27

53.46

218.89

489.22

388.78

50.86

5.17

14.72

P2O5 (kg ha− 1)

75.02

1253.55

358.57

214.12

132.09

1585.0

574.13

273.8

35.02

99.89

K2O (kg ha− 1)

64.68

867.91

196.49

143.18

95.65

935.15

380.84

252.05

18.08

51.56

Exch. Ca [cmol (P) kg− 1]

1.90

11.95

5.69

2.11

2.30

15.05

6.97

2.80

0.27

0.78

Exch. Mg [cmol (P) kg− 1]

1.25

9.25

3.64

1.82

0.65

11.25

3.74

2.18

0.21

NS

Available S (mg kg− 1)

4.75

29.05

29.15

3.99

14.50

74.00

41.98

1.55

4.31

12.95

Fe (mg kg− 1)

1.11

19.87

6.86

4.08

2.43

45.41

11.32

8.87

0.87

2.48

Mn (mg kg− 1)

0.58

6.27

2.24

1.24

0.44

3.68

1.61

0.82

0.13

0.37

Cu (mg kg− 1)

0.16

6.38

0.95

1.19

0.47

3.02

0.89

0.52

0.12

NS

Zn (mg kg− 1)

0.39

7.08

1.07

1.13

0.30

4.93

0.91

0.77

0.69

NS

Cr (mg kg− 1)

0.0005

0.0075

0.003

0.0018

0.0005

0.005

0.002

0.0011

0.0003

0.001

Ni (mg kg− 1)

0.02

2.54

0.282

0.39

0.18

1.74

0.346

0.29

0.02

0.057

Pb (mg kg− 1)

0.07

0.44

0.205

0.08

0.03

0.37

0.141

0.08

0.008

0.023

Cd (mg kg− 1)

0.001

0.03

0.005

0.0049

0.001

0.01

0.004

0.0025

0.0003

0.001

  1. NS – Non-significant, SD – Standard deviation, BD – bulk density, PD – Particle density, MWHC – Maximum Water Holding Capacity, SE ± m - Standard error of mean, C.D (p = 0.05) – Critical difference.
  2. Signficant values are in bold.
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