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

被引:48
作者
Anttonen, S [1 ]
Manninen, AM
Saranpaa, P
Kainulainen, P
Linder, S
Vapaavuori, E
机构
[1] Finnish Forest Res Inst, Suonenjoki Res Stn, Suonenjoki 77600, Finland
[2] Univ Kuopio, Dept Ecol & Environm Sci, FIN-70211 Kuopio, Finland
[3] Finnish Forest Res Inst, Vantaa Res Ctr, Vantaa 01301, Finland
[4] Agrifood Res Finland Plant Protect, Jokioinen 31600, Finland
[5] Swedish Univ Agr Sci, SLU, Dept Prod Ecol, S-75007 Uppsala, Sweden
来源
TREES-STRUCTURE AND FUNCTION | 2002年 / 16卷 / 06期
基金
芬兰科学院;
关键词
Picea abies; nutrients; secondary xylem; lignin; cellulose;
D O I
10.1007/s00468-002-0181-7
中图分类号
S7 [林业];
学科分类号
0829 ; 0907 ;
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 I'm gated 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 (11 fold) extractives (12 fold) soluble sugars (1 3 fold) sterols (13 fold) and dehydroabietic acid (16 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.
引用
收藏
页码:386 / 394
页数:9
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