Grizedale Level II plot - Soil solution

 

Soil solution - Fortnightly collection (1996 to 2004)

	Element / compound	Depth to 10cm			Depth to 50cm
		Average	Standard error	Sample size	Average	Standard error	Sample size
pH	n/a	4.885	0.012	365	5.025	0.015	380
Conductivity (µS/cm)	n/a	46.78	4.767	236	72.17	0.722	173
Alkalinity (µeq/l)	n/a	-8.366	0.945	176	0.981	0.908	172
DOC (mg/l)	n/a	7.606	0.251	131	2.123	0.110	131
Macronutrients (mg/l)	NO3-N	0.186	0.033	365	0.091	0.013	374
	NH4-N	0.017	0.002	364	0.024	0.006	373
	N(NO2)	0.009	0.003	26	0.004	0.001	26
	N total	0.567	0.048	122	0.268	0.044	121
	SO4	1.357	0.041	365	1.984	0.045	374
	S total	1.049	0.019	127	1.513	0.036	126
	P(PO4)	0.004	0.0008	305	0.004	0.001	274
	P total	0.004	0.0003	153	0.003	0.0002	178
	Ca	0.537	0.022	365	0.719	0.014	374
	Mg	0.749	0.026	365	0.797	0.018	371
	K	0.761	0.021	365	0.518	0.011	371
Micronutrients	Na (mg/l)	4.440	0.078	365	5.123	0.073	371
	Fe (mg/l)	0.076	0.003	365	0.005	0.001	365
	Mn (mg/l)	0.037	0.002	365	0.030	0.001	373
	Zn (µg/l)	207.4	21.23	119	98.99	7.927	119
	Cu (µg/l)	4.315	0.673	119	1.441	0.204	119
Trace cations	Al (mg/l)	0.417	0.007	365	0.298	0.014	374
	Cr (µg/l)	0.591	0.033	119	0.208	0.020	119
	Ni (µg/l)	2.705	0.127	119	2.053	0.065	119
	Pb (µg/l)	4.157	0.449	119	1.816	0.491	119
	Cd (µg/l)	0.438	0.041	119	0.239	0.019	119
	Co (µg/l)	0.427	0.071	79	0.781	0.117	79
	Sr (µg/l)	4.284	0.188	79	5.284	0.159	79
	Ba (µg/l)	11.26	2.190	79	13.70	3.156	79
Trace anions	Cl (mg/l)	7.344	0.281	365	8.630	0.256	374
	F (mg/l)	0.030	0.003	127	0.028	0.003	126
	Si (µg/l)	1.748	0.057	119	1.322	0.014	119