Wachstum,Mykorrhiza und Frostresistenz von Fichtenjungpflanzen bei Düngung mit verschiedenen Stickstoffgaben |
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Authors: | Brigitte Pümpel Friederike Gbl Walter Tranquillini |
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Institution: | Brigitte Pümpel,Friederike Göbl,Walter Tranquillini |
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Abstract: | Growth, mycorrhiza and frost resistance of Picea abies seedlings following fertilization with different levels of nitrogen . NPK fertilization with varying levels of nitrogen causes increased growth of spruce seedlings and faster flushing in spring. During the growing season, the frost resistance of all organs of the plants, especially new needles and shoots is the lower, the more nitrogen the plants have received. Consequently, spruce plantations, especially at high altitudes, may be liable to late frost damage. |
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