growth and wood characteristics of acacia mangium grown in kerala

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p pITable 14. Within tree variation of shrinkage (%) of 8 and 10 years old Acacia mangium treesAge : 8 pears'25% 1 .o 3.8 1.4 3.3 2.8 6.91.1 3.8 1 1.3 1 3.2 1 2.6 I 6.975% 1.1 3.4 1.3 2.9 2.9 6.4TOP 1.3 3.7 1.5 3.2 3.2 6.5Mean 1.1 3.7 1.4 3.2 2.9 6.7CV(%) 11.4 5.1 6.8 5.4 8.6 3.9Age : 10 years**25% 1.1 1.6 1.9 2.8 3.0 5.450% 1.2 ~1.8 I 2.2 I 3.0 I 3.0 I 5.0*Mean of 5 trees**Mean of 3 trees
Table 15. Physical properties of branch wood and branch bark of 8-year-old Acacia mangium wood (CV(%) values aregiven in brackets)Pooled MeanEffective heartwood % 35.9 17.3-60.2 20.1 0.0-37.4 28.0excluding the soft core portion (38.1) (48.2)Bark thickness (cm) 0.38 0.28-0.50 0.29 0.20-0.40 0.34(16.5) (25.5)Bark % by volume 14.3 9.6-18.7 22.6 17.2-27.2 18.5(17.0) (13.7)Bark % by weight 11.9 9.8-19.2 15.0 11.6- 18.2 13.5(11.2) (13.1)MC of wood (%) at test condition 57.8 45.1-70.5 61.1 57.0-64.6 59.5*n=18**n=13
Page 1 and 2: KFRI Research Report 174GROWTH AND
Page 3 and 4: ABSTRACTcacia mangium in the recent
Page 5 and 6: 1. INTRODUCTIONcacia mangium is a p
Page 7 and 8: A. mangium is a species of the humi
Page 9 and 10: and Lim (1993) studied the wood spe
Page 11 and 12: 2.3.3. The problem of heart-rotProg
Page 13 and 14: (1990) and Rahim et al (199 1). Met
Page 15 and 16: 11. Pattom2. Pukappurakunnu3. Manth
Page 17 and 18: components such as phyllodes. stem
Page 19 and 20: directions and the distance between
Page 21 and 22: Table 3. District-wise details of A
Page 23 and 24: Table 5. Diameter growth and estima
Page 25 and 26: 4.3. BIOMASS MEASUREMENTRatio of gr
Page 27 and 28: only in the recent years and hence
Page 29 and 30: significant. However, values obtain
Page 31 and 32: 13.6ITree No.Bark % by volumeHeight
Page 33 and 34: Table 12. Variation of bark thickne
Page 35 and 36: Table 13. Variation of heartwood pe
Page 37: I----Tangential (G-OD) 8yearTangent
Page 41 and 42: Table 17. Air-dry to oven-dry shrin
Page 43 and 44: Table 19. Mean values of shrinkage
Page 45 and 46: Table 20. Variation of mechanical p
Page 47 and 48: 5. CONCLUSIONScacia mangium has bee
Page 49 and 50: 7. REFERENCESAlloysius, D. 1989. Pu
Page 51 and 52: Kaber. M.F.. Bhattacharjee. D.K.. S
Page 53 and 54: Peh. T. B.. Khoo, K.C. and Lee, T.W
Page 55 and 56: Tomimura. Y., Khoo. K.C. and Suzuki
Page 57 and 58: Appendix 2. District-wise number of
Page 59 and 60: Appendix 3 contd ....measurementsee
Page 61: Appendix 5Simple linear regression

growth and wood characteristics of acacia mangium grown in kerala

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