TEAK PLANTATIONS IN NILAMBUR - Kerala Forest Research Institute

Appendix : 10
Percentage distribution of yields in logs, poles and firewood from teak plantations in Nilambur
Type of
work
1M
2M
1S
2S
3S
FT
FF
Mean
age
5
8
12
18
29
41
56
IA
Girth and quality class of teak logs (m3/ha)
IB IC IIA IIB IIC IIIA IIIB IIIC IVA IVB IVC
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.20 0.00 0.00 0.06 0.00 0.00 0.02 0.00 0.00 0.02 0.00
0.00 0.25 0.05 0.00 4.92 0.41 0.00 1.54 1.14 0.00 4.07 2.22
0.00 0.00 0.00 0.00 0.08 0.10 0.00 1.56 0.46 0.02 6.89 1.42
0.00 0.01 0.02 0.00 0.58 0.24 0.00 4.46 12.60 0.00 11.52 20.26
0.00 0.31 0.00 0.00 6.65 0.80 0.00 19.85 1.09 0.00 23.14 2.10
0.00 1.06 0.14 0.01 21.00 1.21 0.01 28.87 2.85 0.00 22.36 6.79
Timber
total
0.00
0.30
14.60
10.53
49.69
53.94
84.30
Type of
work
1M
2M
1S
2S
3S
FT
FF
Girth and quality class of poles (m3/ha)
IA IB IC IIA IIB IIC III IV V VI
0.00 0.00 0.00 0.00 0.00 0.00 1.86 22.30 67.84 8.00
0.00 0.19 0.03 0.00 1.74 0.78 12.78 52.78 27.11 4.29
0.00 0.97 0.44 0.00 0.59 2.72 15.89 50.38 12.16 2.25
0.02 0.69 1.74 0.00 2.49 17.02 26.18 26.67 9.38 0.53
0.06 0.78 2.60 0.03 1.34 12.23 16.94 9.49 0.33 0.00
0.01 1.35 6.57 0.03 1.75 9.76 14.97 3.34 0.03 0.00
0.00 0.06 0.02 0.01 0.21 0.33 1.37 0.05 0.00 0.00
Pole Billet Fire Total
total wood
100.00 0.00 0.00 100.00
99.70 0.00 0.00 100.00
85.40 0.00 0.00 100.00
84.72 0.00 4.75 100.00
43.80 0.47 6.04 100.00
37.81 2.17 6.08 100.00
2.05 1.02 12.63 100.00