Effects of Different Vegetation Restoration Types on Soil Physical and Chemical Properties of Abandoned Land in Coal Logistics Park
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S156.99

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    Abstract:

    [Objective] The effects of different vegetation restoration types on soil physical and chemical properties in abandoned land of coal logistics park were explored in order to provide scientific reference for ecological restoration of similar abandoned land. [Methods] This research took soils of 3 typical vegetation restoration types (arbor mixed forest, shrub forest and grassland) as the research object, and the bare land was used as a control, the physical and chemical properties of the soil under different vegetation restoration types were measured, and the differences, correlations and principal components were analyzed. [Results] ① Compared with the bare land, after ten years of restoration of arbor mixed forest, shrub forest and grassland, the total porosity of the soil increased by 115.17%, 62.06%, 7.57% respectively, and the contents of soil water increased by 105.99%, 71.21%, 67.05% respectively, while the soil bulk decreased by 8.98%, 5.13%, 4.85% respectively. ② The content of soil organic matter in arbor mixed forest and shrub forest increased significantly, and grassland promoted the content of alkali-hydrolyzed nitrogen and available potassium significantly. The content of alkali-hydrolyzed nitrogen and available phosphorus showed significant “surface aggregation” in the vertical direction, while the content of available potassium showed a significant deep accumulation. ③ Organic matter showed a significant positive correlated with alkali-hydrolyzed nitrogen, available phosphorus, and capillary porosity (p<0.05), and alkali-hydrolyzed nitrogen and available phosphorus showed an extremely significantly positively correlation (p<0.01), that meant, soil organic matter played an important role in improving soil physical and chemical properties and nutrient cycling. [Conclusion] The soil quality of different restoration types showed an order as: arbor mixed forest>shrub forest>grassland>bare land. The planting of arbor mixed forest and shrub forest can effectively improve the physical and chemical properties of soil in the abandoned land of coal logistics park.

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郭鑫,高永,张超,段晓婷,梁钰镁.不同植被恢复类型对煤炭物流园区废弃地土壤理化性质的影响[J].水土保持通报英文版,2022,42(2):67-73

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History
  • Received:October 13,2021
  • Revised:November 20,2021
  • Adopted:
  • Online: May 26,2022
  • Published: