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[1]YU Na,LIU Ji-ming,ZHANG Chao,et al.Study on the Differentiation Characteristics of Different Sandy Vegetation Soil Enzyme Activities[J].Research of Soil and Water Conservation,2010,17(01):77-81,87.

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Study on the Differentiation Characteristics of Different Sandy Vegetation Soil Enzyme Activities

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 17 Number of periods: 2010 01 Page number: 77-81,87 Column: Public date: 2010-02-20

Title:: Study on the Differentiation Characteristics of Different Sandy Vegetation Soil Enzyme Activities

Author(s):: YU Na^1,2, LIU Ji-ming¹, ZHANG Chao², DAI Quan-hou¹; 1. Foresty College of Guizhou University, Guiyang, 550025, China;
2. Northwest A & F University, Yangling, Shanxi, 712100, China

Keywords:: psammophyte; soil enzyme activity; soil enzyme index

CLC:: S154.2

DOI:: -

Abstract:: Taking the nine kinds of sandy vegetation planted in Psammophyte garden,Yulin city of Shaanxi province as the research object,and also selecting the bare sand as the control.In the paper,differentiation characteristics of nutrient and enzyme activities of soil in nine plots were analyzed,and the comprehensive assessment index of soil enzyme(SEI) was also put forward to analyze its change.The results showed that after revegetating on bare land,the soil nutrients and enzyme activities were greatly improved.The sucrase,phosphatase,urease and catalase activities generally increased compared with bare sand,while the polyphenol-oxidase decreased.Besides,the effects of different vegetation type on soil enzyme were significantly different.The correlation analysis results showed that there is a significant correlation among the sucrase,phosphatase,catalase and polyphenol-oxidase,these enzymes also had a strong correlation with organic matter,total nitrogen and available nitrogen.SEI increased markedly after bare sand were revegetated,the sequence of increase amplitude from big to small was Robinia pseudoacacia(RP) and Pinus sylvestris var.mongolica(PS),Hedysarum scoparium(HS),Pinus tabulaeformis(PT),Sabina vulgaris(SV),Caragana korshinkii(CA),Simon poplar(SP),Artemisia desertorum(AD),but between Hedysarum mongolicum(HM) and bare sand(CK),there is no significant differences.It can be concluded from above results that Robinia pseudoacacia,RP,Pinus sylvestris var.mongolica,PS,Hedysarum scoparium,HS,Pinus tabulaeformis,PT and Sabina vulgaris,SV specises should be chosen as priority to harness Mu Us desert from the view point of enzyme.

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