Coalburn long-term forest monitoring plot - Foliar sampling and analysis

Foliar chemistry assessment undertaken every 1 to 2 years (Average over 1995 to 2005 period)
	Element	Average	Standard error	Sample size	Average	Standard error	Sample size
	Element	Current years growth			Previous years growth
Macronutrients (mg/g)	N	8.887	1.071	43	8.94	1.050	44
	S	222.4	108.0	23	217.6	88.70	29
	P	1.153	0.153	38	1.12	0.136	44
	Ca	2.499	0.364	38	2.75	0.357	44
	Mg	0.536	0.072	38	0.44	0.057	44
	K	4.305	0.572	38	4.31	0.522	44
Micronutrients (μg/g)	Na	21.11	2.963	16	91.45	30.65	16
	Zn	18.61	0.782	38	15.66	0.571	44
	Mn	227.9	14.59	38	216.0	14.67	44
	Fe	56.55	3.771	38	83.73	3.010	44
	Cu	3.397	0.085	38	3.586	0.090	44
	B	12.32	0.659	16	11.93	0.524	16
Trace metals (μg/g)	Al	108.0	7.320	38	152.7	4.699	44
	Ni	1.794	0.221	20	0.969	0.113	25
	Co	0.171	0.030	5	0.143	0.033	5
	Cd	0.025	0.002	15	0.0406	0.017	20
	Cr	0.255	0.053	15	0.440	0.057	20
	Ti	3.279	0.437	15	7.187	0.268	15

ND: no data recorded

Coalburn long-term forest monitoring plot – Foliar sampling and analysis