Table 3. Green weight equation and statistic information using variable DBH.

Equations	Species	Parameters			Statistic
		a	b	c	FI	RMSE	SEE
W = a + bD2 (1)	L. kaempferi	−72.4416	0.8251	-	0.9181	123.0083	18.0155
	P. rigida	−69.3902	0.7467	-	0.8893	96.1780	22.4735
W = bD + cD2 (2)	L. kaempferi	-	−4.7779	0.8990	0.9109	123.3453	18.0648
	P. rigida	-	−6.4160	0.8789	0.9105	94.5946	22.1035
W = a + bD + cD2 (3)	L. kaempferi	−100.3799	1.9502	0.7935	0.9182	122.9787	18.0873
	P. rigida	184.5173	−21.1915	1.1550	0.8966	92.9401	21.8715
W = aDb (4)	L. kaempferi	0.3968	2.1823	-	0.8955	123.9504	18.1535
	P. rigida	0.1534	2.4269	-	0.9283	92.7269	21.6671