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Effects of shrub species on soil nitrogen mineralization in the desert-loess transition zone
Yao, Yufei1,3; Zhao, Zhongna2; Wei, Xiaorong1,2; Shao, Mingan1,2,3
2019-02-01
Source PublicationCATENA
ISSN0341-8162
Volume173Pages:330-338
Corresponding AuthorWei, Xiaorong(xrwei78@163.com) ; Shao, Mingan(mashao@ms.iswc.ac.cn)
AbstractShrubs play a vital role in ecosystem restoration in the desert transition zone, which suffers intensive deserti-fication, land degradation, and nitrogen (N) limitation. To evaluate the effects of different shrub species on soil N availability, transformation, and their seasonal dynamics, we determined mineral N contents and mineralization rates in soils under three common shrub species (Artemisia ordosica Krasch., Caragana korshinskii Kom., and Salix psanunophila C.) and in bare land during the growing season in the desert-loess transition zone in northwestern China. The average contents of soil nitrate N and mineral N were 153% and 55% greater, respectively, and cumulative net N nitrification and mineralization were 101.2 and 121.0 mg Nm(-2) higher, respectively, in soils beneath C. korshinskii than in bare land (P < 0.05) at the 0-10 cm depth over the growing season. The net N mineralization rate in 0-10 cm depth was significantly higher in soils under C. korshinskii than that in bare land during 21 Jun-23 Jul and 23 Aug-15 Oct of the growing season. However, C. korshinskii did not influence soil N metrics at the 10-20 cm depth. The incorporation of A. ordosica and S. psanunophila into bare land did not influence soil N availability or transformation rates. Our results demonstrated that C. korshinskii was more preferable than A. ordosica and S. psanunophila in ameliorating soil N cycling in the desert-loess transition zone.
KeywordSoil inorganic N N turnover Seasonal dynamics Legumes Non-legumes
DOI10.1016/j.catena.2018.10.016
WOS KeywordDIFFERENT LAND USES ; N MINERALIZATION ; TERRESTRIAL ECOSYSTEMS ; VERTICAL-DISTRIBUTION ; TEMPORAL STABILITY ; WATER ; DESERTIFICATION ; PLATEAU ; LEGUMES ; EROSION
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41571130082] ; National Natural Science Foundation of China[41571296] ; National Natural Science Foundation of China[41622105] ; Chinese Academy of Sciences[QYZDB-SSW-DQC039] ; Northwest AF University[2452017028] ; State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau[A314021403-Q5]
Funding OrganizationNational Natural Science Foundation of China ; Chinese Academy of Sciences ; Northwest AF University ; State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau
WOS Research AreaGeology ; Agriculture ; Water Resources
WOS SubjectGeosciences, Multidisciplinary ; Soil Science ; Water Resources
WOS IDWOS:000452814300032
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/51336
Collection中国科学院地理科学与资源研究所
Corresponding AuthorWei, Xiaorong; Shao, Mingan
Affiliation1.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
2.Northwest A&F Univ, Coll Resources & Environm, Yangling 712100, Shaanxi, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Yao, Yufei,Zhao, Zhongna,Wei, Xiaorong,et al. Effects of shrub species on soil nitrogen mineralization in the desert-loess transition zone[J]. CATENA,2019,173:330-338.
APA Yao, Yufei,Zhao, Zhongna,Wei, Xiaorong,&Shao, Mingan.(2019).Effects of shrub species on soil nitrogen mineralization in the desert-loess transition zone.CATENA,173,330-338.
MLA Yao, Yufei,et al."Effects of shrub species on soil nitrogen mineralization in the desert-loess transition zone".CATENA 173(2019):330-338.
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