Effects of long-term nutrient optimisation on stem wood chemistry in Picea abies

被引：0
|
作者：
S. Anttonen
A.-M. Manninen
P. Saranpää
P. Kainulainen
S. Linder
E. Vapaavuori
机构：
[1] Finnish Forest Research Institute,
[2] Suonenjoki Research Station,undefined
[3] 77600 Suonenjoki,undefined
[4] Finland,undefined
[5] Department of Ecology and Environmental Science,undefined
[6] University of Kuopio,undefined
[7] P.O. Box 1627,undefined
[8] 70211 Kuopio,undefined
[9] Finland,undefined
[10] Finnish Forest Research Institute,undefined
[11] Vantaa Research Center,undefined
[12] P.O. Box 18,undefined
[13] 01301 Vantaa,undefined
[14] Finland,undefined
[15] Agrifood Research Finland,undefined
[16] Plant Protection,undefined
[17] 31600 Jokioinen,undefined
[18] Finland,undefined
[19] SLU,undefined
[20] Department for Production Ecology,undefined
[21] Swedish University of Agricultural Sciences,undefined
[22] P. O. Box 7042,undefined
[23] 75007 Uppsala,undefined
[24] Sweden,undefined
来源：
Trees | 2002年 / 16卷
关键词：
Picea abies Nutrients Secondary xylem Lignin Cellulose;
D O I：
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中图分类号：
学科分类号：
摘要：
The aim of the present study was to determine how long-term nutrient optimisation of Norway spruce stands affects the chemical composition of stem wood. Material for the study was collected from Flakaliden (Sweden) where Norway spruce [Picea abies (L.) Karst.] stands have been grown either without fertilisation or under nutrient optimisation treatment, by supplying a complete nutrient mix in the irrigation water every 2nd day during the growing season. The experiment was established in 1987 and in the autumn of 1998, 12 trees were harvested both in control (no fertilisation) and irrigated-fertilised (IL) stands. The increased growth rate caused by the IL treatment affected the chemical composition of the stem wood. The most pronounced effect was a 7% increase in lignin concentration caused by the IL treatment. Increases in concentrations of acid-soluble lignin (1.1-fold), extractives (1.2-fold), soluble sugars (1.3-fold), sterols (1.3-fold) and dehydroabietic acid (1.6-fold) as well as a decrease in the proportional quantity of terpinolene were also found. These results demonstrate that nutrient optimisation affected the chemical composition of Norway spruce wood, which may influence the suitability of such wood for specific end-use purposes.
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页码：386 / 394
页数：8
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