Table 3. Variance analysis for growth characteristics and basic density at each site and in the combination site

Characteristics	Location	Site	Block	Clone	Clone × site
Diameter	Site 1		< 0.0001^**	< 0.0001^**
	Site 2		0.5082^ns	< 0.0001^**
	Combination site	0.0001^**	< 0.0001^**	< 0.0001^**	< 0.0001^**
Height	Site 1		< 0.0001^**	< 0.0001^**
	Site 2		0.0002^**	< 0.0001^**
	Combination site	< 0.0001^**	< 0.0001^**	< 0.0001^**	< 0.0001^**
Volume	Site 1		< 0.0001^**	< 0.0001^**
	Site 2		0.1862^ns	< 0.0001^**
	Combination site	0.041^*	< 0.0001^**	< 0.0001^**	< 0.0001^**
Basic density	Site 1			< 0.0001^**
	Site 2			< 0.0001^**
	Combination site	< 0.0001^**		< 0.0001^**	0.0012^**

Significant difference at 5% level,
Significant differences at 1% level,
no significant.