“... C. A. Mey.) seedlings in controlled condition. After sowing of alder seeds in plastic pots in loamy...”
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“... produced in untreated skid trail, undisturbed forest (control area), and the skid trail plots covered...”
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“... on the control treatment, yet the difference was not significant. However, the difference in resistance...”
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“..., trying to control the damage of trees is essential in the ground skidding operations....”
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“... treatments (control area, harvested area, without canopy cover and skid trail) in the northern forests...”
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