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Frost sensitivity and nutrient status in a fertilized Norway spruce stand in Denmark

Publiceringsår: 2004
Språk: Engelska
Sidor: 199-209
Publikation/Tidskrift/Serie: Forest Ecology and Management
Volym: 201
Nummer: 2-3
Dokumenttyp: Artikel i tidskrift
Förlag: Elsevier


The aim of this study was to assess the effect of the N, P and K status on frost sensitivity of Norway spruce needles in a fertilization experiment situated in a nutrient poor 29-year-old Picea abies stand in western Denmark. The relative difference in frost sensitivity among trees was assessed by an index of injury, based on conductivity measurements of ion leakage from needles. Despite fertilization, all trees indicated N, P and K deficiency. The foliage, collected in late winter, was generally not very frost sensitive, but foliage from trees with the lowest K and P status were more sensitive to frost, and the current year needles were more sensitive than the second and third year needles. The advancement of bud burst was assessed in May. Trees with a relatively high N concentration in the current year needles had a more advanced bud burst than trees with a lower N concentration, increasing the risk for frost damage by a temperature backlash.


  • Ecology


  • ISSN: 1872-7042

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