Table 5 Rice parameter sub-classes, the area under each sub-class and weights.

From: Crop suitability analysis for the coastal region of India through fusion of remote sensing, geospatial analysis and multi-criteria decision making

Parameter

Class

Area (ha)

Area (%)

Weights

Elevation (m)

 < 100

24,029,805.11

73.08

0.58

100–500

7,386,142.61

22.46

0.26

500–1000

1,253,311.36

3.81

0.12

 > 1000

214,111.36

0.65

0.05

n = 4; λmax = 4.140; CI = 0.047; RI = 0.900; CR = 0.052

Slope (%)

Level to nearly level (< 1)

14,813,367.84

45.05

0.51

Very gentle slope (1–3)

8,903,905.34

27.08

0.24

Gentle slope (3–10)

4,640,617.84

14.11

0.14

Moderate slope (10–15)

1,391,961.59

4.23

0.06

Moderate steep (> 15)

3,133,517.84

9.53

0.04

n = 5; λmax = 5.326; CI = 0.081; RI = 1.12; CR = 0.073

Depth (cm)

Very Deep (> 125)

7,889,766.32

23.99

0.28

Deep (100–125)

8,670,316.32

26.37

0.28

Mod. deep (75–100)

3,698,547.57

11.25

0.20

Mod. shallow (50–75)

2,021,210.07

6.15

0.12

Shallow (25–50)

4,220,660.07

12.84

0.06

Very shallow (10–25)

3,470,272.57

10.55

0.03

Extremely shallow (< 10)

2,912,597.57

8.86

0.02

n = 7; λmax = 7.409; CI = 0.068; RI = 1.32; CR = 0.052

Texture

Clayey

21,911,785.34

66.63

0.52

Loam

10,812,841.59

32.88

0.22

Sandy loam

158,529.09

0.48

0.11

Loamy sand

147.84

0.00

0.10

Sand

66.59

0.00

0.04

n = 5; λmax = 5.108; CI = 0.027; RI = 1.12; CR = 0.024

Drainage

Imperfect

5,488,608.62

16.69

0.39

Very poor

2,298,271.12

6.99

0.28

Poor

2,860,714.87

8.70

0.18

Moderately well drained

4,268,464.87

12.98

0.08

Well drained

13,206,446.12

40.16

0.05

Excessive

4,760,864.87

14.48

0.03

n = 6; λmax = 6.293; CI = 0.059; RI = 1.24; CR = 0.047

SOC (%)

Very high (> 1.00)

24,744,391.59

75.25

0.43

High (0.75–1.00)

3,677,329.09

11.18

0.31

Medium (0.50–0.75)

1,216,172.84

3.70

0.14

Low (0.25–0.50)

165,397.84

0.50

0.07

Very low (< 0.25)

3,080,079.09

9.37

0.04

n = 5; λmax = 5.133; CI = 0.033; RI = 1.12; CR = 0.030

pH

Strongly acidic (< 4.5)

3,851,085.99

11.71

0.09

Moderately acidic (4.5–5.5)

1,776,889.87

5.40

0.20

Slightly acidic (5.5–6.5)

9,055,183.62

27.54

0.46

Neutral (6.5–7.5)

17,411,514.87

52.95

0.20

Slightly alkaline (7.5–8.5)

788,696.12

2.40

0.04

n = 5; λmax = 5.222; CI = 0.055; RI = 1.12; CR = 0.049

Rainfall (mm)

 > 1100

15,506,442.61

47.16

0.54

900–1100

4,662,567.61

14.18

0.29

750–900

2,419,373.86

7.36

0.11

 < 750

10,294,986.36

31.31

0.06

n = 4; λmax = 4.009; CI = 0.003; RI = 0.900; CR = 0.003

Temperature (°C)

 > 30

9,723,526.59

29.57

0.48

25–30

21,502,207.84

65.39

0.27

20–25

1,439,082.84

4.38

0.15

15–20

124,176.59

0.38

0.06

 < 15

94,376.59

0.29

0.04

n = 5; λmax = 5.239; CI = 0.060; RI = 1.12; CR = 0.053

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