Impact of management on nutrients, carbon, and energy in aboveground biomass components of mid-rotation loblolly pine (Pinus taeda L.) plantations

Table 2 The p value of the main effects of cultural intensity and planting density and their interactions on the concentrations of energy, C, N, P, K, Ca, and Mg in biomass component of loblolly pine plantations at age 12 (using the significance level of 0.05)

	Effect	Energy	C	N	P	K	Ca	Mg
Stem-wood	Culture	0.337	0.952	0.147	0.460	0.406	0.790	0.545
	Density	0.604	0.837	0.066	0.935	0.571	0.765	0.277
	Culture × density	0.657	0.718	0.694	0.808	0.992	0.944	0.279
Bark	Culture	0.452	0.904	0.464	0.873	0.961	0.492	0.821
	Density	0.862	0.955	0.151	0.498	0.311	0.005	0.232
	Culture × density	0.253	0.040	0.752	0.314	0.306	0.035	0.206
Branch	Culture	0.177	0.570	0.576	0.052	0.204	0.400	0.877
	Density	0.158	0.583	0.460	0.762	0.034	0.320	0.179
	Culture × Density	0.903	0.094	0.944	0.558	0.227	0.621	0.579
Foliage	Culture	0.192	0.264	0.056	0.171	0.496	0.233	0.308
	Density	0.328	0.234	0.536	0.580	0.595	0.047	0.370
	Culture × density	0.830	0.297	0.332	0.877	0.406	0.208	0.234

ISSN: 1297-966X