Silvicultural Attempts to Induce Browse Resistance in Conifer Seedlings

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.

Mineral	Min	Max	2003	2004	2005
Sulfur	30.6	36.7	X^a	X^a	X^a
Lime	220.1	2996.4	X	X	X
Dolomite	1125.2	3130.9	X^b	X^b	X^b
Potassium sulfate	220.1	562.6	X	O^c	O^d
Iron (II) sulfate	48.9	458.6	X	O	O
Copper sulfate	6.1	28.1	X^e	O^f	O
Zinc sulfate	24.5	36.7	X	O	O
Boron	12.2	17.1	O	X	O
Nitrogen-Phosphorous-Potassium (11-52-0)	281.3	281.3	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.