IMHE OpenIR  > 山地表生过程与生态调控重点实验室
An interaction between vertical and lateral movements of soil constituents by tillage in a steep-slope landscape
Zhang, J. H.1,2; Wang, Y.3; Jia, L. Z.1,2; Zhang, Z. H.1,2
Corresponding AuthorJ.H. Zhang
2017
Source PublicationCATENA
ISSN0341-8162
EISSN1872-6887
Volume152Pages:292-298
SubtypeArticle
Abstract

The interaction between vertical and lateral movements of soil constituents by tillage needs to be addressed to better understand the transfer processes of soil constituents on a hillslope. In this experiment, traditional tillage by consecutive hoeing during a few days and the cesium -137 (Cs-137) tracing were performed in the Sichuan Basin, China to demonstrate direct effects of intensive tillage on the vertical redistribution of soil constituents and the interaction between vertical and lateral transfers of soil constituents. The changes in Cs-137 residual rates showed that intensive downslope movement of soil by tillage occurred along the transect of slopes, and the lateral transfer of those soil constituents proceeded in the same direction as the soil movement by tillage. The vertical transfer patterns differed from one another for the upper, middle, and lower slope positions. At the upper slope positions, intensive tillage notably decreased the concentrations of soil organic carbon (SOC) and total nitrogen (TN) in the whole soil profile. At the middle and lower slope positions, SOC concentrations in the surface soil layer (0-15 cm) markedly declined after intensive tillage, suggesting that the downslope movement of soil by tillage translocated the soil with low concentrations of SOC and TN derived from upslope towards the middle and lower slopes. The decreases in SOC and TN of the surface soil exerted an important impact on the underlying soil near the surface soil due to the vertical transfer of soil constituents by mixture effects of tillage. Significant changes in the depth distribution pattern of soil constituents by intensive tillage occurred close to the upslope and downslope boundaries of the field Our results revealed that the vertical movement of soil constituents interacted with their downslope movement under intensive tillage, which resulted in a chain transfer process of soil constituents: effects of the vertical transfer at all landscape positions on the lateral transfer along the transect of slopes, and conversely, effects of the lateral transfer on the vertical transfer.

KeywordCs-137 Residual Rate Soil Constituent Vertical Transfer Lateral Transfer Soil Redistribution Tillage Erosion
WOS HeadingsScience & Technology ; Physical Sciences ; Life Sciences & Biomedicine
DOI10.1016/j.catena2017.01.030
WOS Subject ExtendedGeology ; Agriculture ; Water Resources
Indexed BySCI
WOS KeywordCS-137 MEASUREMENTS ; ORGANIC-CARBON ; EROSION RATES ; CROP YIELD ; REDISTRIBUTION ; TRANSLOCATION ; CHINA ; LIMITATIONS ; HILLSLOPES ; CESIUM-137
Language英语
Quartile2区
TOP
WOS SubjectGeosciences, Multidisciplinary ; Soil Science ; Water Resources
WOS IDWOS:000395218600028
Funding OrganizationNational Natural Science Foundation of China(41571267 ; National Basic Research Program of China(2015CB452704) ; 41271242)
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/18584
Collection山地表生过程与生态调控重点实验室
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
2.Minist Water Conservancy & Power, Chengdu 610041, Peoples R China
3.Sichuan Agr Univ, Coll Water Conservancy & Hydropower Engn, Yaan 625014, Peoples R China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Zhang, J. H.,Wang, Y.,Jia, L. Z.,et al. An interaction between vertical and lateral movements of soil constituents by tillage in a steep-slope landscape[J]. CATENA,2017,152:292-298.
APA Zhang, J. H.,Wang, Y.,Jia, L. Z.,&Zhang, Z. H..(2017).An interaction between vertical and lateral movements of soil constituents by tillage in a steep-slope landscape.CATENA,152,292-298.
MLA Zhang, J. H.,et al."An interaction between vertical and lateral movements of soil constituents by tillage in a steep-slope landscape".CATENA 152(2017):292-298.
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