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Irrigation with sediment-laden river water affects the soil texture and composition of organic matter fractions in arid and semi-arid areas of Northwest China
Dong, Linlin1,2; Zhang, Haidong1,2; Wang, Lingqing3; Yu, Dongsheng1; Yang, Feixia1; Shi, Xuezheng1; Saleem, Hafsa4; Akhtar, M. Saleem
2018-10-15
Source PublicationGEODERMA
ISSN0016-7061
Volume328Pages:10-19
Corresponding AuthorShi, Xuezheng(xzshi@aissas.ac.cn)
AbstractSoil organic carbon (SOC) is the largest reservoir of organic carbon in the terrestrial ecosystem, and is an effective mean of enhancing crop production in the irrigated area of the arid and semi-arid regions. Understanding long-term changes in composition of SOM under irrigation from sediment-laden Yellow River water is essential to manage sustainability issues in the agro-ecosystem. A total of 45 soils, including 39 of irrigated fields differing in irrigation history and 6 of non-cultivated and non-irrigated natural fields as the control, were sampled at 0-20 cm depth. The soil was analyzed for total SOC content, partitioning of light (LFOM) and heavy (HFOM) fraction organic matter based on NaI solution density of 1.7 g m(3) and for particle size distribution. Compared to the non-irrigated and non-cultivated control soil, the LFOM and HFOM in irrigated soils increased with the duration of irrigation though SOM existed dominantly as the heavy fraction. The soils irrigated for < 50 years have overall lesser LFOM and HFOM and more sand compared to those with > 50 years irrigation. Further, a positive relationship existed between the fine particle and the SOM or its fractions (negative relation with coarse particle) suggesting either SOM accumulated as fine particles or the fine mineral particles better preserved SOM. In addition, field soil moisture at the time of sampling during October 2009 correlated with HFOM (p < 0.001) and LFOM (p < 0.01). The study suggested that the long-term irrigation with water diverted from Yellow River increased fine particle, SOC and the light and heavy fraction in the Ningxia Irrigation Zone.
KeywordIrrigation Cultivation Yellow River Soil properties Soil organic carbon fraction
DOI10.1016/j.geoderma.2018.05.002
WOS KeywordCARBON SEQUESTRATION ; PHYSICAL-PROPERTIES ; LIGHT-FRACTION ; PHYSICOCHEMICAL PROPERTIES ; MEDITERRANEAN CONDITIONS ; CROPPING SYSTEM ; NORTHERN CHINA ; HEXI CORRIDOR ; PADDY SOILS ; TILLAGE
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41501326] ; National Natural Science Foundation of China[41501296]
Funding OrganizationNational Natural Science Foundation of China
WOS Research AreaAgriculture
WOS SubjectSoil Science
WOS IDWOS:000436053500002
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/54634
Collection中国科学院地理科学与资源研究所
Corresponding AuthorShi, Xuezheng
Affiliation1.Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, Nanjing 210008, Jiangsu, Peoples R China
2.Suzhou Acad Agr Sci, Suzhou 215155, Peoples R China
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China
4.PMAS Arid Agr Univ, Dept Agr Extens, Rawalpindi 46300, Pakistan
Recommended Citation
GB/T 7714
Dong, Linlin,Zhang, Haidong,Wang, Lingqing,et al. Irrigation with sediment-laden river water affects the soil texture and composition of organic matter fractions in arid and semi-arid areas of Northwest China[J]. GEODERMA,2018,328:10-19.
APA Dong, Linlin.,Zhang, Haidong.,Wang, Lingqing.,Yu, Dongsheng.,Yang, Feixia.,...&Akhtar, M. Saleem.(2018).Irrigation with sediment-laden river water affects the soil texture and composition of organic matter fractions in arid and semi-arid areas of Northwest China.GEODERMA,328,10-19.
MLA Dong, Linlin,et al."Irrigation with sediment-laden river water affects the soil texture and composition of organic matter fractions in arid and semi-arid areas of Northwest China".GEODERMA 328(2018):10-19.
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