Property

Orchard C

Orchard D

Apr

Jul

Dec

Apr

Jul

Dec

Total carbon (TC) (mg/kg)

58,100

35,800

67,200

45,700

42,300

58,300

Total nitrogen (TN) (mg/kg)

3000

1500

6200

2200

1600

2600

C/N ratio

19

24

11

21

26

22

-N (mg/kg)

1

1

5

0

0

1

-N (mg/kg)

4

6

0

0

0

9

Total phosphorus (TP) (mg/kg)

8600

4300

4300

13,400

7900

11,300

Soluble phosphorus (SP) (mg/kg)

163

30

7

143

52

81

Total potassium (TK) (mg/kg)

7600

6800

6000

7100

4700

14,500

Soluble potassium (SK) (mg/kg)

146

44

38

112

62

156