Treatment | Initial dia. (cm) | After 1 year | |||
---|---|---|---|---|---|
Fine roots (g) | % ecto. | Stem dia. (cm) | % stem dia. increase* | ||
Mycor | 2.9 a | 6.2 ab | 16 a | 6.1 ab | 116 a |
Mycor + bacteria | 2.9 a | 7.3 a | 19 a | 6.2 a | 115 a |
Bacteria | 2.8 a | 3.4 b | 6 b | 5.5 ab | 100 ab |
Subdue® | 3.1 a | 4.0 ab | 6 b | 5.6 ab | 81 b |
Control | 2.9 a | 3.1 b | 5 b | 5.4 b | 89 b |
↵*% Increase = (first yr. – initial measurements)/initial measurement.