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Germination and biometric parameters (number and length of needles, root length, trunk height, root neck diameter, and fractional seedling mass) of pine (Pinus sylvestris L.) and spruce (Picea abies L. Karst) seedlings with a closed root system are evaluated. The seedlings are grown on a mix of peat with growing media prepared of pulp and paper mill waste (PPW) conversed by worms (Eisenia foctida)...
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