ISWC OpenIR  > 水保所科研产出--SCI  > 2018--SCI
Vertical distribution of soil total nitrogen and soil total phosphorus in the critical zone on the Loess Plateau, China
Jiangbo Qiao1; Yuanjun Zhu2; Xiaoxu Jia3; Laiming Huang3; Ming'an Shao2,3; Zhu, YJ (reprint author), Northwest A&F Univ, State Key Lab Soil Eros & Dryland Agr Loess Plate, Yangling 712100, Shaanxi, Peoples R China.
SubtypeArticle
2018
Source PublicationCATENA
ISSN0341-8162
description.correspondentemailzhuyuanjun@foxmail.com
Volume166Pages:310-316
AbstractIt is important to determine the vertical distributions of soil total nitrogen (SIN) and soil total phosphorus (STP) as well as the factors that influence them in the Earth's critical zone (CZ) in order to understand the N/P cycle in the CZ. However, few data are available regarding the vertical distributions of STN and STP in deep soil profiles in the CZ. Thus, this study investigated the vertical distributions of the STN and STP as well as related factors in a deep soil profile on the Loess Plateau, China. Soil drilling was used to collect 703 soil samples throughout the soil profile from five sites. The STN decreased initially at all of the sampling sites (except at Shenmu), before fluctuating with increasing depth throughout the profile, whereas the STP exhibited a fluctuating trend at all sites. The mean STN and STP concentrations ranged from 0.12 g kg(-1) to 0.25 g kg(-1) and from 0.45 g kg(-1) to 0.58 g kg(-1), respectively. The adjusted r(2) values based on stepwise multiple linear regressions for STN and SIP ranged from 35% to 83% and from 4% to 17%, respectively, and thus, SIN was explained better by the measured soil variables compared with STP. The mean STN and STP stocks ranged from 1.87 to 3.90 mg ha(-1) and from 6.75 to 9.09 mg ha(-1), respectively. The results of this study facilitate evaluations of STN and STP stocks and studies of the N/P cycle in the CZ on the Loess Plateau.
KeywordEarth's Critical Zone Nitrogen Phosphorus Vertical Distribution
Subject AreaGeology ; Agriculture ; Water Resources
DOI10.1016/j.catena.2018.04.019
Indexed BySCI
Publication PlacePO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
Language英语
WOS IDWOS:000434238800030
PublisherELSEVIER SCIENCE BV
Funding OrganizationNational Key Research and Development Plan [2016YFC0501706] ; National Key Research and Development Plan [2016YFC0501706] ; National Natural Science Foundation of China [41571130081, 41371242, 41530854] ; National Natural Science Foundation of China [41571130081, 41371242, 41530854]
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iswc.ac.cn/handle/361005/8222
Collection水保所科研产出--SCI_2018--SCI
Corresponding AuthorZhu, YJ (reprint author), Northwest A&F Univ, State Key Lab Soil Eros & Dryland Agr Loess Plate, Yangling 712100, Shaanxi, Peoples R China.
Affiliation1.Northwest A&F Univ, Coll Resources & Environm, Yangling 712100, Shaanxi, Peoples R China
2.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Agr Loess Plate, Yangling 712100, Shaanxi, Peoples R China
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
4.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Jiangbo Qiao,Yuanjun Zhu,Xiaoxu Jia,et al. Vertical distribution of soil total nitrogen and soil total phosphorus in the critical zone on the Loess Plateau, China[J]. CATENA,2018,166:310-316.
APA Jiangbo Qiao,Yuanjun Zhu,Xiaoxu Jia,Laiming Huang,Ming'an Shao,&Zhu, YJ .(2018).Vertical distribution of soil total nitrogen and soil total phosphorus in the critical zone on the Loess Plateau, China.CATENA,166,310-316.
MLA Jiangbo Qiao,et al."Vertical distribution of soil total nitrogen and soil total phosphorus in the critical zone on the Loess Plateau, China".CATENA 166(2018):310-316.
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