Volume 21 Issue 2
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JIN Chun-de, ZHANG Mei-shu, WEN Gui-feng, LIU Ji-sheng2, ZHANG Peng. Radial variations of the timber properties of Pinus densifiora planted in different slope places[J]. Journal of Zhejiang A&F University, 2004, 21(2): 119-124.
Citation: JIN Chun-de, ZHANG Mei-shu, WEN Gui-feng, LIU Ji-sheng2, ZHANG Peng. Radial variations of the timber properties of Pinus densifiora planted in different slope places[J]. Journal of Zhejiang A&F University, 2004, 21(2): 119-124.

Radial variations of the timber properties of Pinus densifiora planted in different slope places

Funds:

国家自然科学基金资助项目(30060070)

  • Received Date: 2003-12-03
  • Rev Recd Date: 2004-02-13
  • Publish Date: 2004-04-20
通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Radial variations of the timber properties of Pinus densifiora planted in different slope places

Funds:

国家自然科学基金资助项目(30060070)

Abstract: The radial variation models and differences of the tracheid morphological and physico-mechanical characteristics of Pinus densifiora plantations in the below , middle and upper slopes in the Maoer Mountain Forestry Center in Yanji City were studied .The results showed that micro-fibril angle , basic density and the ratio of wall to diameter of P .densifiora plantations in the different slopes were magnificently different at the 0.01 level .The average values of ratio of wall to diameter of P .densifiora in the middle slope were 11.62 %and 16.45 %higher than those in the below slope and upper slope .And the average value of micro-fibril angle of the former was 54.31 % and 38.77 % less than the latter , and the average value of basic density was 10.5 % and 7.02 % higher .The variations results showed that P .densifiora plantation timber in the middle slope was the best structure material , and others was more suitable for the pulp materials .[ Ch , 9 fig .3 tab .6 ref .]

JIN Chun-de, ZHANG Mei-shu, WEN Gui-feng, LIU Ji-sheng2, ZHANG Peng. Radial variations of the timber properties of Pinus densifiora planted in different slope places[J]. Journal of Zhejiang A&F University, 2004, 21(2): 119-124.
Citation: JIN Chun-de, ZHANG Mei-shu, WEN Gui-feng, LIU Ji-sheng2, ZHANG Peng. Radial variations of the timber properties of Pinus densifiora planted in different slope places[J]. Journal of Zhejiang A&F University, 2004, 21(2): 119-124.

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