Table 2 Soil physical and chemical properties among fields in the farm

Sand

%

14

14

18

14

10

44.6

 ns

Silt

%

40

41

39

37

34

56.0

 ns

Clay

%

46

45

43

49

56

54.0

 ns

Texture

Silty Clay

Silty Clay

Clay

Clay

Clay

BD

g cm⁻³

1.05c

1.09c

1.12bc

1.19b

1.29a

8.3

0.09

pH

–

7.0 a

6.9a

6.7ab

6.3bc

6.1c

8.4

0.56

SOC

%

2.41ab

2.48a

2.04bc

1.61c

1.10d

22.1

0.43

TN

%

0.19a

0.19a

0.13b

0.10b

0.09b

0.04

34.5

AvP

mg/kg

70.9a

20.3 b

8.1 b

4.2b

1.1b

167.4

35.5

Av S

mg/kg

11.1

11.2

10.0

9.2

9.3

29.9

ns

Ca

Cmolc/kg

13.3a

10.4 b

9.4 b

8.1bc

6.4 c

26.3

2.6

Mg

Cmolc/kg

3.1a

2.7a

2.1 b

2.1b

1.8b

20.1

0.48

K

Cmolc/kg

3.2a

2.6a

1.7b

1.4b

0.6c

29.0

0.56

K:Mg

–

1.02a

0.96ab

0.84bc

0.70c

0.37d

22

0.17

C:N

–

13.1b

13.1b

29.4a

16.5ab

12.4b

76.8

13.2

B

mg/kg

1.2a

0.95b

0.56c

0.56c

0.4c

35.0

0.26

Cu

mg/kg

0.91a

0.66b

0.66b

0.45bc

0.32c

39.9

0.24

Fe

mg/kg

105.5

107.1

105.4

107.5

133.8

20.0

ns

Mn

mg/kg

213.25a

191.13ab

180.37abc

156.13bc

131.63c

31.4

55.7

Zn

mg/kg

20.5a

13.4b

9.9bc

8.0cd

5.0d

40.0

4.6

TEB

Cmolc/kg

20.2a

16.5b

14.0bc

12.4cd

9.5d

21.4

3.2

CEC

Cmolc/kg

27.5a

24.5b

21.8bc

21.0cd

18.6d

12.0

2.8