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Table 5 Defect core diameter (DOO) and occlusion rate and heartwood percentage in individual redwood butt logs

From: Sawn timber grade recovery from a planted coast redwood stand growing in New Zealand

Tree

Mean defect core

Defect core/DBH

Mean occlusion width

Heartwood

Heartwood

No.

diameter (mm)

(%)

(mm)

(Rings)

(%)

1

301

59

10

15

52

2

238

59

5

17

53

3

211

56

7

15

54

41

  

6

15

54

5

255

44

8

17

55

6

317

54

8

21

61

7

321

53

6

20

48

8

343

87

6

25

63

9

372

94

6

22

56

10

313

52

9

23

64

11

307

54

9

15

52

12

318

50

7

24

61

13

358

57

8

24

67

Mean

305

60

7

19.5

57

  1. 1 No defect core data collected for tree 4 due to short log length.