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Nitrate leaching and NH3 volatilization during soil reclamation in the Yellow River Delta, China
Zhu, Wei1,2; Yang, Jingsong1; Yao, Rongjiang1; Wang, Xiangping1; Xie, Wenping1; Li, Peiguang3
Source PublicationENVIRONMENTAL POLLUTION
ISSN0269-7491
2021-10-01
Volume286Pages:7
KeywordYellow River Delta NH3 volatilization NO3- - N leaching Hydros-2D
DOI10.1016/j.envpol.2021.117330
Corresponding AuthorYang, Jingsong(jsyang@issas.ac.cn)
AbstractThe agricultural ecological system is an important part of the Yellow River Delta (YRD); however, soil reclamation may trigger environmental concerns about nitrate leaching and NH3 volatilization in this area. To assess nitrogen losses during soil reclamation, a two-year field experiment was conducted with plastic film mulch, which is an effective way to alleviate water-salt stress. The Hydrus-2D software package was used to calculate nitrogen transport, transformation and losses. The results showed that nitrogen (N) retention in the soil varied during the two growing seasons, because soil water, salinity and climatic conditions acted together on nitrogen transport and transformation. Soil salinity promoted NH3 volatilization, and the proportions of ammonia volatilization were 22.78 percent and 19.50 percent of the N input in 2018 and 2019, respectively, because urea hydrolysis, nitrification and soil NH4+ - N adsorption capacity were limited by soil salt. NO3- - N leaching was controlled by soil water infiltration, climatic conditions and groundwater level. NO3- N leaching was 43.84 percent and 32.89 percent of the nitrogen input in 2018 and 2019, respectively; the difference was mainly caused by the different distribution of rainfall during the growing season; thus, soil water infiltration increased under heavy rainfall because it broke the barrier formed by the plough pan. This study indicates that there is a risk of nitrogen pollution during soil reclamation. In addition, Hydrus-2D has considerable potential to calculate nitrogen losses under the effect of plastic film mulch in this area.
Funding OrganizationNational Natural Science Foundation of China-Shandong Joint Fund ; National Natural Science Foundation of China ; National Key Research and Development Programme of China
Indexed BySCI
Language英语
WOS KeywordHETAO IRRIGATION DISTRICT ; WATER-USE EFFICIENCY ; NITROGEN-BALANCE ; SALINITY ; GROUNDWATER ; GROWTH ; DYNAMICS ; COMPOST ; QUALITY ; FIELDS
WOS Research AreaEnvironmental Sciences & Ecology
WOS IDWOS:000688586700010
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/29710
Collection支撑部门_中国科学院黄河三角洲滨海湿地试验站
Corresponding AuthorYang, Jingsong
Affiliation1.Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, Nanjing 210008, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Coastal Zone Res, Yellow River Delta Ecol Res Stn Coastal Wetlands, Yantai 264003, Peoples R China
Recommended Citation
GB/T 7714
Zhu, Wei,Yang, Jingsong,Yao, Rongjiang,et al. Nitrate leaching and NH3 volatilization during soil reclamation in the Yellow River Delta, China[J]. ENVIRONMENTAL POLLUTION,2021,286:7.
APA Zhu, Wei,Yang, Jingsong,Yao, Rongjiang,Wang, Xiangping,Xie, Wenping,&Li, Peiguang.(2021).Nitrate leaching and NH3 volatilization during soil reclamation in the Yellow River Delta, China.ENVIRONMENTAL POLLUTION,286,7.
MLA Zhu, Wei,et al."Nitrate leaching and NH3 volatilization during soil reclamation in the Yellow River Delta, China".ENVIRONMENTAL POLLUTION 286(2021):7.
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