Material

TC (mg/kg)

TN (mg/kg)

TP (mg/kg)

TK (mg/kg)

C/N

ratio

C/P ratio

Base soil

Black soil

69,500

1770

2070

4000

39

34

Mountain soil

300

90

410

8000

3

1

Vermiculite

400

180

300

33,000

2

1

Peat moss

412,200

2070

310

1300

199

1330

Wood chip 1

445,100

700

270

2500

636

1649

Wood chip 2

356,000

470

270

2600

757

1319

Additive material

Oil cake

416,900

51,200

18,200

14,000

8

23

Soybean meal

405,900

66,800

7,350

24,200

7

55

Bone meal

211,400

40,600

75,880

3600

5

3

Chicken manure

194,000

34,600

17,500

24,400

6

11

Horse manure

113,600

4729

3350

4330

24

34

Cow manure

330,000

21,000

10,000

26,000

16

33