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 Number of items: 2. FFrom, Fredrik, 2010. Increased growth in Norway spruce (Picea abies (L.) Karst.) through small annual additions of nitrogen (N) fertilizer. Second cycle, A1E. Umeå: (S) > Dept. of Forest Genetics and Plant Physiology SSowinska, Paulina , 2009. Plastid-to-nucleus communication. Second cycle, A1E. Umeå: (S) > Dept. of Forest Genetics and Plant Physiology | |||||