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Cambium visual scoring (1) |
Chlorophyll fluorescence (1) |
Effect of cold on Populus tremuloides (1) |
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Populus tremuloides (Hardiness) (1) |
Cambium visual scoring (1) |
Chlorophyll fluorescence (1) |
Effect of cold on Populus tremuloides (1) |
Electrical conductivity (1) |
Populus tremuloides (Hardiness) (1) |