IGSNRR OpenIR
Vegetation establishment in coastal salt-affected wasteland using drip-irrigation with saline water
Li, Xiaobin1,2
2019-07-30
Source PublicationLAND DEGRADATION & DEVELOPMENT
ISSN1085-3278
Volume30Issue:12Pages:1423-1436
Corresponding AuthorLi, Xiaobin(lixbin@igsnrr.ac.cn)
AbstractSaline water has been successfully used for irrigation in arid, semiarid, and coastal regions, and drip-irrigation is widely regarded as the most promising system to deliver such water, particularly for reclaiming saline soils, because drip-irrigation saves water and leaches salts efficiently. As coastal regions continue to be urbanized rapidly, vegetation establishment in coastal salt-affected wastelands becomes increasingly urgent, but information on plants suitable for the purpose is scanty. The effects of drip-irrigation with saline water (EC 0.8-7.8 dS/m) on the leaching of salts and on the performance of 15 plants suitable for landscaping were evaluated. The field experiment comprises trees, herbs, and shrubs, and irrigation was scheduled on the basis of soil matric potential threshold set at -5 kPa in 2013, -10 kPa in 2014, -15 kPa in 2015, and -20 kPa in 2016. As a result of irrigation controlled thus, soil that was severely saline initially became mildly saline or even nonsaline in its profile up to a depth of 1 m irrespective of the salinity of irrigation water. However, the survival rates of plants differed with the salinity and SMP threshold: Survival was more than 80% in four herb species and three tree species when irrigated with saline water at 7.8 dS/m for 4 years but decreased, especially in shrubs, as the SMP threshold was lowered. The thresholds of ECiw (electrical conductivity of irrigation water) and SMP were set based on the response of plants to salinity, and some plants are recommended for the ecological environment establishment. A combination of controlled irrigation with saline water and the right mix of plant species are helpful in reclamation of saline coastal areas.
Keywordamelioration coastal salt-affected wasteland irrigation water salinity threshold saline irrigation water soil matric potential threshold
DOI10.1002/ldr.3324
WOS KeywordSOIL-SALINITY ; COTTON-WHEAT ; RECLAMATION ; SIMULATIONS ; GROWTH ; 1ST
Indexed BySCI
Language英语
Funding ProjectScientific Research Project for Geographic Science and Natural Resources Research, Chinese Academy of Science[Y6V60216YZ] ; Geographic Science and Natural Resources Research, Chinese Academy of Science[Y6V60216YZ] ; Key Research Program of Frontier Sciences of the Chinese Academy of Sciences[QYZDJ-SSW-DQC028] ; National Key Research and Development Program of China[2016YFC0501304] ; National Key Research and Development Program of China[2016YFC0501305] ; National Science Foundation for Young Scientists of China[51709251]
Funding OrganizationScientific Research Project for Geographic Science and Natural Resources Research, Chinese Academy of Science ; Geographic Science and Natural Resources Research, Chinese Academy of Science ; Key Research Program of Frontier Sciences of the Chinese Academy of Sciences ; National Key Research and Development Program of China ; National Science Foundation for Young Scientists of China
WOS Research AreaEnvironmental Sciences & Ecology ; Agriculture
WOS SubjectEnvironmental Sciences ; Soil Science
WOS IDWOS:000475471300003
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/58384
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLi, Xiaobin
Affiliation1.Chinese 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
2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Li, Xiaobin. Vegetation establishment in coastal salt-affected wasteland using drip-irrigation with saline water[J]. LAND DEGRADATION & DEVELOPMENT,2019,30(12):1423-1436.
APA Li, Xiaobin.(2019).Vegetation establishment in coastal salt-affected wasteland using drip-irrigation with saline water.LAND DEGRADATION & DEVELOPMENT,30(12),1423-1436.
MLA Li, Xiaobin."Vegetation establishment in coastal salt-affected wasteland using drip-irrigation with saline water".LAND DEGRADATION & DEVELOPMENT 30.12(2019):1423-1436.
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