Variation in black spruce (Picea mariana (Mill.) BSP) wood quality after thinning

Table 3 ANOVA for thinning and temporal effects on RW, EWW, LWW, RD, average RD and MOE

Test	Source	DF	DFDen	F ratio	Prob. > F
Ln(RW)	Thinning	1	4.997	0.0196	0.8942
	Time	19	180.2	1.1424	0.3128
	Time × thinning	19	180.2	2.6921	0.0003^a
Ln(EWW)	Thinning	1	4.983	0.0187	0.8967
	Time	19	292	0.7551	0.7593
	Time × thinning	19	292	2.2898	0.0019^a
Ln(LWW)	Thinning	1	4.96	0.0050	0.9466
	Time	19	232.2	3.1414	<.0001^a
	Time × thinning	19	232.2	2.0862	0.0061^a
Ln(RD)	Thinning	1	4.963	2.9606	0.1464
	Time	19	324.6	3.0524	<0.0001^a
	Time × thinning	19	324.6	1.1771	0.2749
Ln(Average RD)	Thinning	1	4.649	3.1472	0.1407
	Time	1	40.51	1.5646	0.2182
	Time × thinning	1	40.51	0.4372	0.5122
MOE	Thinning	1	4.736	18.5509	0.0087^a
	Time	1	7.029	16.7981	0.0045^a
	Time × thinning	1	7.029	1.7824	0.2235

ISSN: 1297-966X