Table 3: Summary of spring-season soil fertilization application rates (Kg/Ha) at the seven study sites (X: application; O: no application). Foliage was sampled for phytochemical analyses in fall of 2003, 2004, and 2005.

MineralMinMax200320042005

Sulfur30.636.7 Xa Xa Xa
Lime220.12996.4 X X X
Dolomite1125.23130.9 Xb Xb Xb
Potassium sulfate220.1562.6 X Oc Od
Iron (II) sulfate48.9458.6 X O O
Copper sulfate6.128.1 Xe Of O
Zinc sulfate24.536.7 X O O
Boron12.217.1 O X O
Nitrogen-Phosphorous-Potassium (11-52-0)281.3281.3 O O X

aSulfur was applied topically to foliage in summer season.
bNo dolomite was applied in any year at the Alder Creek site.
cPotassium sulfate was applied at Black Bear and Huffman sites in 2004.
dPotassium sulfate was applied at Black Bear in 2005.
eNo copper sulfate was applied at Alder Creek and Stuck Creek sites in 2003.
fCopper sulfate was applied (minimum rate) at Alder Creek and Stuck Creek sites in 2003.