Yellowing of the Norway spruce stands in Central Europe

Yellowing of trees with current year needle-class remaining green shows typical symptoms of magnesium deficiency. The chemical analysis proved severe deficiency of magnesium and mild deficiency of calcium in needles and forest soils indeed. This corresponds to the new forest decline as observed in t...

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Bibliographic Details
Main Authors Sramek, V, Lomsky, B. (Forestry and Game Management Research Institute, Prague (Czech Republic))
Format Conference Proceeding
LanguageEnglish
Published Zvolen (Slovak Republic) Forest Research Institute 2002
Subjects
AIR POLLUTION
CZECH REPUBLIC
DECOLORACION
DECOLORATION
DISCOLORATION
FEUILLE
HOJAS
LEAVES
PICEA ABIES
POLAND
POLLUTION ATMOSPHERIQUE
POLOGNE
POLONIA
POLUCION DEL AIRE
REPUBLICA CHECA
REPUBLIQUE TCHEQUE
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Summary:Yellowing of trees with current year needle-class remaining green shows typical symptoms of magnesium deficiency. The chemical analysis proved severe deficiency of magnesium and mild deficiency of calcium in needles and forest soils indeed. This corresponds to the new forest decline as observed in the 1970s and the 1980s in some regions in Germany and France. Other contributing factor breaking out yellowing at that extent at particularly short time is not known. The problem is even increasing, because yellowing has recently appeared also in other mountain localities in Central Europe even though in smaller scale
Bibliography:2003000369
T01
K70
ISBN:9788088853510
8088853516