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Sustaining crop productivity while reducing environmental nitrogen losses in the subtropical wheat-maize cropping systems: A comprehensive case study of nitrogen cycling and balance
Zhou, Minghua1; Zhu, Bo2; Brueggemann, Nicolas3; Dannenmann, Michael1; Wang, Yanqiang2; Butterbach-Bahl, Klaus1,4
Corresponding AuthorZhu, Bo ; Butterbach-Bahl, Klaus
2016
Source PublicationAGRICULTURE ECOSYSTEMS & ENVIRONMENT
ISSN0167-8809
EISSN1873-2305
Volume231Pages:1-14
SubtypeArticle
AbstractBalancing the nitrogen (N) budgets of agricultural systems is essential for sustaining yields at lower environmental costs. However, it is still rare to find reports on the total N budgets of agricultural systems including all N fluxes in the literature. Here, we conducted a comprehensive study on the effects of different N fertilizers (control, synthetic fertilizer, 60% synthetic fertilizer N plus 40% pig manure N, pig manure N applied at the same rate of 280 kg N ha(-1) yr(-1)) on N pools, cycling processes, fluxes and total N balances in a subtropical wheat-maize rotation system in China by monitoring in situ N fluxes combined with field N-15-tracer and N-15 isotope-dilution techniques. The warm and wet maize season was associated with significantly larger N losses via gaseous and hydrological pathways than the cooler and drier wheat season. Nitrate leaching and NH3 volatilization were the main N loss pathways, accounting for 78% and 93% of the annual hydrological and gaseous N losses, respectively. The field N-15 tracing experiment showed that the wheat system had a high N retention capacity (similar to 50% of N-15 application), although the N residence time was short. In the subsequent maize season, 90% of the residual N-15-labeled fertilizer in the soil that had been applied to the wheat system was utilized by plants or lost to the environment. The combined application of synthetic and organic fertilizers (pig manure) or application of pig manure resulted in significantly higher soil N retention and lower NO3- leaching, while yields remained unaffected. However, the application of manure resulted in larger NH3 volatilization losses compared with the application of synthetic fertilizer alone. Thus, our study suggests that a combination of synthetic and organic N fertilizers is suitable for sustaining agricultural productivity while reducing environmental N losses by fostering interactions between the soil C and N cycles. (C) 2016 Elsevier B.V. All rights reserved.
KeywordNitrogen Mass Balance N-15 Manure Incorporation Coupling Of c And n Cycles Wheat Maize
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1016/j.agee.2016.06.022
WOS Subject ExtendedAgriculture ; Environmental Sciences & Ecology
Indexed BySCI
WOS KeywordOXIDE EMISSIONS ; SICHUAN BASIN ; AMMONIA VOLATILIZATION ; AGRICULTURAL SYSTEMS ; MINERAL-NITROGEN ; RIVER-BASIN ; PURPLE SOIL ; CHINA ; FERTILIZER ; ROTATION
Language英语
Quartile2区
TOP
WOS SubjectAgriculture, Multidisciplinary ; Ecology ; Environmental Sciences
WOS IDWOS:000382592700001
Funding OrganizationNational Program on Key Basic Research Projects of China(2012CB417101) ; National Natural Science Foundation of China(41573079) ; Deutsche Forschungsgemeinschaft(BU 1173/12-1) ; Helmholtz-CAS Joint Laboratory ENTRANCE ; German BMBF(031A287C)
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Cited Times:54[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/17670
Collection山地表生过程与生态调控重点实验室
Affiliation1.Karlsruhe Inst Technol, Inst Meteorol & Climate Res, Atmospher Environm Res IMK IFU, D-82467 Garmisch Partenkirchen, Germany
2.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Surface Proc & Ecol Regulat, Chengdu 610041, Peoples R China
3.Forschungszentrum Julich, Inst Bio & Geosci, Agrosphere IBG 3, D-52425 Julich, Germany
4.Int Livestock Res Inst, Old Naivasha Rd, Nairobi 00100, Kenya
Recommended Citation
GB/T 7714
Zhou, Minghua,Zhu, Bo,Brueggemann, Nicolas,et al. Sustaining crop productivity while reducing environmental nitrogen losses in the subtropical wheat-maize cropping systems: A comprehensive case study of nitrogen cycling and balance[J]. AGRICULTURE ECOSYSTEMS & ENVIRONMENT,2016,231:1-14.
APA Zhou, Minghua,Zhu, Bo,Brueggemann, Nicolas,Dannenmann, Michael,Wang, Yanqiang,&Butterbach-Bahl, Klaus.(2016).Sustaining crop productivity while reducing environmental nitrogen losses in the subtropical wheat-maize cropping systems: A comprehensive case study of nitrogen cycling and balance.AGRICULTURE ECOSYSTEMS & ENVIRONMENT,231,1-14.
MLA Zhou, Minghua,et al."Sustaining crop productivity while reducing environmental nitrogen losses in the subtropical wheat-maize cropping systems: A comprehensive case study of nitrogen cycling and balance".AGRICULTURE ECOSYSTEMS & ENVIRONMENT 231(2016):1-14.
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