Effect of Spacing Regimes on Growth, Yield, and Wood Properties of Tectona grandis at Longuza Forest Plantation, Tanzania

Table 4

Effect of spacing on heartwood proportion of T. grandis at LFP.

Treatment	Heart wood proportion (%)
	14 years
2 × 2 m	24.83^a+
3 × 3 m	27.87^a
4 × 4 m	31.67^a
ANOVA	NS

+ Within the same column, means with the same letter are not significantly different (); = ; NS = not significant; .