Soil Physicochemical Properties and Enzyme Activity Characteristics of Four Typical Vegetation Types in Saline-alkali Lands of the Hexi Corridor

［Objective］ To explore the changes of soil physical and chemical properties and enzyme activities of four vegetation types in desert saline-alkali lands in the Hexi Corridor and their influencing factors, and to provide a theoretical basis for soil nutrient cycling and regulation mechanism in desert...

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Bibliographic Details
Published inShui tu bao chi xue bao Vol. 39; no. 2; pp. 102 - 110
Main Authors MA Dawei, MA Yanjun, GUO Yongchun, ZENG Yu, MA Rui, ZHU Jiangang
Format Journal Article
LanguageChinese
Published Editorial Department of Journal of Soil and Water Conservation 01.04.2025
Subjects
physicochemical properties
saline-alkali land
soil enzyme activities
vegetation type
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Summary:［Objective］ To explore the changes of soil physical and chemical properties and enzyme activities of four vegetation types in desert saline-alkali lands in the Hexi Corridor and their influencing factors, and to provide a theoretical basis for soil nutrient cycling and regulation mechanism in desert saline-alkali lands. ［Methods］ Taking the desert saline-alkali soil in the Hexi Corridor as the research object, four typical vegetation types, including Lycium ruthenicum Murr. single community (HH), L. ruthenicum and Phragmites australis community (HL), L. ruthenicum and Alhagi camelorum Fisch. community (HT), L. ruthenicum and Tamarix chinensis Lour. community (HC), were selected. Three replicate plots were set up for each vegetation type. Through the combination of field investigation and indoor analysis, soil physical and chemical properties (including organic carbon, total nitrogen, total phosphorus) and enzyme activities (including urease, alkaline phosphatase, nitrate reductase, nitrite reductase) of the f
ISSN:1009-2242
DOI:10.13870/j.cnki.stbcxb.2025.02.040