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[1]XIAO Li,ZHAO Junfeng,HUANG Yimei,et al.Study on Soil Enzyme Activities and Physical and Chemical Properties Under Different Vegetation Types in Yongli Opencast Coal Mine[J].Research of Soil and Water Conservation,2016,23(04):89-93.

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Study on Soil Enzyme Activities and Physical and Chemical Properties Under Different Vegetation Types in Yongli Opencast Coal Mine

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 23 Number of periods: 2016 04 Page number: 89-93 Column: Public date: 2016-04-28

Title:: Study on Soil Enzyme Activities and Physical and Chemical Properties Under Different Vegetation Types in Yongli Opencast Coal Mine

Author(s):: XIAO Li¹, ZHAO Junfeng¹, HUANG Yimei¹, MA Rentian¹, FANG Ying¹, AN Shaoshan^1,2; 1. College of Natural Resources and Environment, Northwest A & F University, Yangling, Shaanxi 712100, China;
2. State Key Laboratory of Soil Erosion and Dry Land Farming on the Loess Plateau, Northwest A & F University, Yangling, Shaanxi 712100, China

Keywords:: Yongli coal mine; vegetation types; physical and chemical properties; soil enzyme activity

CLC:: S154.2

DOI:: -

Abstract:: In order to understand the effects on soil physical and chemical properties and enzyme activity variation in different vegetation types, three kinds of vegetation types(Medicago sativa, Astragalus adsurgens Pall, Astragalus adsurgens Pall + Pinus tabulaeformis Carr) were selected as research samples in Jungar Banner, Erdos. The studies were help understand the relationships between vegetation restoration and soil quality. The results showed that soil physical and chemical properties of different vegetation types had been improved, were characterized by Astragalus adsurgens Pall > Medicago sativa > Astragalus adsurgens Pall + Pinus tabulaeformis Car > CK; the soil organic carbon in 0—10 cm layer in Astragalus adsurgens Pall community was 5.18 g/kg, which was significant higher than other vegetation types; soil organic matter, total nitrogen and enzyme activities under different vegetation types declined with increase of soil depths. There were significant correlations between soil enzyme activities and soil nutrients. Phosphatase and invertase were significantly positively correlated with soil bulk density, suggesting that soil bulk density had significant effects on soil enzyme activities. Soil enzyme activities also significantly differed from different vegetation types, with respect to invertase, Astragalus adsurgens Pall > Medicago sativa > Astragalus adsurgens Pall + Pinus tabulaeformis Car > CK. The invertase of Astragalus adsurgens Pall was twice higher than Astragalus adsurgens Pall + Pinus tabulaeformis Car, and urease in Astragalus adsurgens Pall soil was significantly higher than other vegetation types.

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