不同土地利用类型下盐渍土土壤盐碱特征的变化

doi:10.3969/j.issn.2096-1197.2019.02.08

Journal of Northern Agriculture ›› 2019, Vol. 47 ›› Issue (2): 46-51.doi: 10.3969/j.issn.2096-1197.2019.02.08

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Salinization characteristics of saline-alkali soil under different land use types

JING Yupeng[1,2];GAO Wa[2,3];DI Caixia[1];LI Yanfang[1];SHA Na[1];WANG Wenxi[1];ZHANG Xinxin[1];LIAN Haifei[1]

[1]Institute of Resources Environment and Detection Technology,Inner Mongolia Academy of Agriculture and Animal Husbandry Sciences,Hohhot 010031,China;[2]College of Grassland,Resources and Enviroment,Inner Mongolia Agricultural University,Hohhot 010011,China;[3]Inner Mongolia Soil and Fertilizer Work Station,Hohhot 010011,China

Received:2018-11-02 Online:2019-02-19 Published:2019-08-19

Abstract

Abstract: The effects of five different land use types on physical and chemical properties of the saline-alkali soil in the Tumochuan plain,China,were analyzed by field soil sampling and laboratory experiment.Soluble salt content,composition of salt ions,and pH and alkalinity of soil profile were studied.The results showed that: soil salt ion composition and total salt content have obvious spatial distribution characteristics under different land use types.The total salt in the soil profile of pasture and forest land showed first an increase and then a decrease with increase in soil depth.Total salt in a wasteland and improved land soil profile decreased with increase in soil depth,and in farmland increased with soil depth.The distribution characteristics of soil pH,alkalinity and total alkalinity in the profile were basically the same in the five land use types.The degree of salinization and alkalinization declined in the order saline-alkali waste land > improved land > pastureland > forest land> agricultural land.The research results can provide a theoretical basis for the rational development and utilization in the Tumochuan plain.

Key words: Land use types;Soil profile;Saline-alkali index;Tumochuan plain

CLC Number:

S154

JING Yupeng;GAO Wa;DI Caixia;LI Yanfang;SHA Na;WANG Wenxi;ZHANG Xinxin;LIAN Haifei(Institute of Resources Environment and Detection Technology,Inner Mongolia Academy of Agriculture and Animal Husbandry Sciences,Hohhot 010031,China;College of Grassland,Resources and Enviroment,Inner Mongolia Agricultural University,Hohhot 010011,China;Inner Mongolia Soil and Fertilizer Work Station,Hohhot 010011,China). Salinization characteristics of saline-alkali soil under different land use types[J].Journal of Northern Agriculture, 2019, 47(2): 46-51.

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Salinization characteristics of saline-alkali soil under different land use types

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