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โครงการรวบรวมและจัดทําวารสารอิเล็กทรอนิกส์ มหาวิทยาลัยเกษตรศาสตร์
70 Thai J. For. 34 (1) : 65-75 (2015)
Allometric equation in different culm ages of B. longispatha and D. brandisii at Royal Agricultural Station Angkhang, Chiang Mai
0.8390** 0.8453** 0.8401** 0.8470** 0.9796** 0.9746** 0.9727** 0.9672** 0.8561** 0.8506** 0.8282** 0.8237** 0.8934** 0.9072** 0.8966** 0.9073**
R 2
D. brandisii 0.0109(DBH 2 H) 0.9784 0.0136(DBH 2 H) 0.9593 -W c 0.0127(DBH 2 H) 0.9579 -W c 0.0155(DBH 2 H) 0.9411 0.0075(DBH 2 H) 1.0401 0.0092(DBH 2 H) 1.0315 -W c 0.0099(DBH 2 H) 1.0187 -W c 0.0114(DBH 2 H) 1.0125 0.0946(DBH 2 H) 0.7454 0.2014(DBH 2 H) 0.6664 -W c 0.1510(DBH 2 H) 0.7038 -W c 0.2716(DBH 2 H) 0.6355 0.0064(DBH 2 H) 1.0524 0.0071(DBH 2 H) 1.0575 -W c 0.0068(DBH 2 H) 1.0428 -W c 0.0075(DBH 2 H)
W c = W b = W l = W t = W c = W b = W l = W t = W c = W b = W l = W t = W c = W b = W l = W t =
R 2 0.9744** 0.9031** 0.9731** 0.9009** 0.9055** 0.8611** 0.9128** 0.8647** 0.9335** 0.9004** 0.9260** 0.8936** 0.9820** 0.9948** 0.9828** 0.9953** W c = culm biomass, W b = branch biomass, W l = leaf biomass, W t = total biomass and coefficient of determination (R 2 )
B. longispatha 0.1099(DBH 2 H) 0.7213 0.2307(DBH 2 H) 0.6023 -W c 0.1172(DBH 2 H) 0.7102 -W c 0.2410(DBH 2 H) 0.5953 0.0512(DBH 2 H) 0.8520 0.0847(DBH 2 H) 0.7886 -W c 0.0552(DBH 2 H) 0.8510 -W c 0.0839(DBH 2 H) 0.7908 0.0428(DBH 2 H) 0.9459 0.0824(DBH 2 H) 0.8487 -W c 0.0500(DBH 2 H) 0.9165 -W c 0.0964(DBH 2 H) 0.8278 0.1114(DBH 2 H) 0.7351 0.1409(DBH 2 H) 0.7274 -W c 0.1148(DBH 2 H) 0.7364 -W c 0.1439(DBH 2 H
W c = W b = W l = W t = W c = W b = W l = W t = W c = W b = W l = W t = W c = W b = W l = W t =
province. Culm age (years) 1 (n=10) 2 (n=10) 3 (n=10) ≥4 (n=10)
Table 2 Remarks:
