Studies on Soil Properties of Aeolian Sandy Land Improvement and Utilization in South Edge of Musu Desert

WANG Zhi; PENG Ru-yan; WANG Lei; LIU Lian-you

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Studies on Soil Properties of Aeolian Sandy Land Improvement and Utilization in South Edge of Musu Desert

更新时间：2024-11-07

- Studies on Soil Properties of Aeolian Sandy Land Improvement and Utilization in South Edge of Musu Desert
- Vol. 20, Issue 2, Pages: 14-16(2006)
- 作者机构：
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  CLC： S156.5
- Published：2006
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WANG Zhi, PENG Ru-yan, WANG Lei, et al. Studies on Soil Properties of Aeolian Sandy Land Improvement and Utilization in South Edge of Musu Desert[J]. 2006, 20(2): 14-16.
DOI：

WANG Zhi, PENG Ru-yan, WANG Lei, et al. Studies on Soil Properties of Aeolian Sandy Land Improvement and Utilization in South Edge of Musu Desert[J]. 2006, 20(2): 14-16. DOI：

摘要

对毛乌素沙地南缘半流动沙地、新垫土改良地和改良4年的麻黄地土壤理化性质的研究结果表明：垫土对沙地土壤有明显的改良作用，细粒物质增加，持水能力提高，0～20cm平均粒径由0．24～0．28mm降到0．14～0．18mm。土壤中有机质平均含量为0．107％、全氮为0．0113％，速效氮为11．522mg／kg，分别是半流动沙地的1．67．1．67，2．75倍。改良后通过4年种植的麻黄地土壤得到进一步发育，20～40cm层粉沙含量占到10．38％～18．38％，是新改良地的7．98～14．94倍。有机质平均含量为0．208％，全氮为0．0183％．速效氮为17．658mg／kg，分别是半流动沙地的3．25，2．71．4．21倍，且有机质和全氮含量在30～40cm深处出现峰值。

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