Coalburn Level II plot - Foliar sampling and analysis

Foliar chemistry assessment undertaken every 1 to 2 years (Average over 1995 to 2005 period)
Element Current years growth Previous years growth
Average Standard error Sample size Average Standard error Sample size
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