| 落叶松纯林与水曲柳落叶松混交林土壤理化性质分析 |
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| 引用本文： | 王庆成,王春丽.落叶松纯林与水曲柳落叶松混交林土壤理化性质分析[J].东北林业大学学报,1994,22(6):24-29. |
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| 作者姓名： | 王庆成 王春丽 |
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| 作者单位： | 东北林业大学，黑龙江省森林勘查设计院，东北林业大学 |
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| 摘 要： | 为了探讨水曲柳落叶松混交林的增产机理。文章从土壤理化性质，营养元素含量等方面，对松南县孟家岗林场２２年生落叶松纯林和水落混交林进行了调查分析。结果表明：混交林在较大幅度上改善了土壤的物理性质。混交林下土壤表层和底层容重分别比纯林降低１２．３８％和１８．７４％，总孔隙度提高１４．５１％和７．０１％；渗透速度分别比纯林提高６４．６０％和５２．１７％。混交林虽未能提高土壤ＰＨ值和全量元素含量，但表层土壤
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| 关 键 词： | 落叶松 水曲柳 混交林 土壤理化性质 |
PHYSICAL AND CHEMICAL PROPERTIES OF SOILS WITHIN LARCH AND LARCH-ASH MIXTURE STANDS |
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| Wang Qingcheng,Wang Chunli.PHYSICAL AND CHEMICAL PROPERTIES OF SOILS WITHIN LARCH AND LARCH-ASH MIXTURE STANDS[J].Journal of Northeast Forestry University,1994,22(6):24-29. |
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| Authors: | Wang Qingcheng Wang Chunli |
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| Institution: | Wang Qingcheng;Wang Chunli(Northeast Forestry University)(Forestry Reconnaissance and Design Institute)Zhang Guozhen(Northeast Forestry University) |
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| Abstract: | The physical and chemical properties of soils under 22-year old larch(Larix olgensis)and larch-ash(Fraxinus mandshurica)mixture stands were studied in this paper. The results showed:the physical properties of the soil within the mixture is improved by large extent;he situation of soil phases(solid.gaseous and liquid)is better for the releasing of nutrients from the organic materials and helpful for the penetration and growth of the root systems.mean while.the nutrient content of soil within the mixture.especially organic substance and available nutrients(N.P. K).are higher than that in the pure larch stand.Conclude that the mixture stand is better for sustaining soil fertility of forest stand. |
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| Keywords: | Larch Ash Mixture stand Physical and chemical properties of soil |
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