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Salt leaching and Iris germanica L. growth in two coastal saline soils under drip irrigation with saline water
Li, Xiaobin
2018-07-14
Source PublicationSCIENTIA HORTICULTURAE
ISSN0304-4238
Volume237Pages:164-168
Corresponding AuthorLi, Xiaobin(lixbin@igsnrr.ac.cn)
AbstractSoil salinity and freshwater shortage are two major limiting factors for vegetation construction in coastal saline regions. A field experiment using water-salt regulation method of drip-irrigation with different irrigation water salinity (ECiw; 0.8, 3.1, 4.7, 6.3, and 7.8 dS/m) to plant Iris germanica L., was imposed in two coastal saline soils (sandy loam and silt) during 2013-2015. The regulatory method was scheduled of drip irrigation to control the soil matric potential (SMP). The results showed that soil salinity (ECe, electrical conductivity of the saturation paste extract) decreased from 27 to 30 dS/m to 1.91 and 3.61 dS/m in the 0-95 cm soil profile after 30 months in sandy loam and silt soil, respectively. Soil salinity decreased with times and increased with ECiw increasing, but no significant difference obtained in salt leaching. Survival rates decreased both with times and ECiw, and significant difference occurred in treatments. Survival rate decreased by 2.33% and 2.88% for each unit of EC increasing in the irrigation water in sandy loam saline soil in 2014 and 2015, respectively, and corresponding values were 2.74% and 11.53% in silt saline soil. It was concluded that higher values of SMP should be continuously controlled in both soils in the third year for Iris germanica L., especially in silt soils with low soil infiltration, to maintain a suitable soil salinity environment for root growth and compensate for the decreased osmotic potential caused by irrigation with saline water, and constant high total water potential can be maintained for plant growth.
KeywordSalinity Salt leaching Soil matric potential Reclamation Response
DOI10.1016/j.scienta.2018.04.002
WOS KeywordROSE ROSA-CHINENSIS ; SODIC WATER ; RECLAMATION ; PLANTS ; COTTON ; CHINA
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2016YFC0501304] ; National Key Research and Development Program of China[2016YFC0501305] ; Key Research Program of Frontier Sciences of the Chinese Academy of Sciences[QYZDJ-SSW-DQC028] ; National Science Foundation for Young Scientists of China[51709251]
Funding OrganizationNational Key Research and Development Program of China ; Key Research Program of Frontier Sciences of the Chinese Academy of Sciences ; National Science Foundation for Young Scientists of China
WOS Research AreaAgriculture
WOS SubjectHorticulture
WOS IDWOS:000432761000022
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/54819
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLi, Xiaobin
AffiliationChinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, 11 A Datun Rd, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Li, Xiaobin. Salt leaching and Iris germanica L. growth in two coastal saline soils under drip irrigation with saline water[J]. SCIENTIA HORTICULTURAE,2018,237:164-168.
APA Li, Xiaobin.(2018).Salt leaching and Iris germanica L. growth in two coastal saline soils under drip irrigation with saline water.SCIENTIA HORTICULTURAE,237,164-168.
MLA Li, Xiaobin."Salt leaching and Iris germanica L. growth in two coastal saline soils under drip irrigation with saline water".SCIENTIA HORTICULTURAE 237(2018):164-168.
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