Culbin 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 4.822 1.351 20 4.950 1.377 20
S 958 52.57 5 1062 27.64 5
P .0522 0.15 20 0.512 0.143 20
Ca 0.968 0.262 20 1.645 0.461 20
Mg 0.457 0.127 20 0.410 0.114 20
K 2.253 0.64 20 2.272 0.64 20
Micronutrients (μg/g) Na ND ND ND ND ND ND
Zn 39.68 1.763 2 47.26 2.603 20
Mn 311.2 13.92 20 454.2 16.38 20
Fe 35.62 1.885 20 48.04 1.862 20
Cu 3.009 0.117 20 2.667 0.069 20
B ND ND ND ND ND ND
Trace metals (μg/g) Al 242.9 18.47 20 331.3 24.08 20
Ni 0.578 0.122 15 0.318 0.055 15
Co nd nd ND ND ND ND
Cd 0.121 0.031 15 0.157 0.026 15
Cr 0.239 0.057 15 0.368 0.048 15
Ti 0.866 0.104 15 1.879 0.123 15

ND: no data recorded