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Cropping regimes affect NO3- versus NH4+ uptake by Zea mays and Glycine max
Liu, Min1,2; Qiao, Na1; Zhang, Qian1; Xu, Xingliang1
2018-05-01
Source PublicationPLANT AND SOIL
ISSN0032-079X
Volume426Issue:1-2Pages:241-251
Corresponding AuthorQiao, Na(qna723@hotmail.com)
AbstractBackground and aims Intercropping cereals with legumes has been practiced for centuries. The benefits have been investigated by measuring biological N fixation and production, but have seldom been evaluated based on plant N acquisition strategies. Methods Zea mays and Glycine max were planted under three cropping regimes, i.e., monocropping or intercropping the two species in the same hole (sowing at the same point) or separated at a certain distance. After 50 days, an in situ N-15-labeling experiment was carried out to assess N uptake preference (NO3- or NH4+). Results Intercropping in the same hole increased plant density and total biomass. Both species showed a strong preference for NO3- over NH4+. Intercropping in the same hole increased and decreased NO3- uptake by Z. mays and G. max, respectively. Z. mays significantly increased NH4+ uptake when intercropped in the same hole or at a certain distance. Conclusions Z. mays and G. max showed strong preference for NO3- over NH4+ irrespective of cropping regime. Intercropping did not influence N preference but altered uptake rates of both N forms. Thus, intercropping in the same hole is a useful practice in agricultural systems because it can increase total biomass and N uptake by Z. mays.
KeywordInorganic N uptake Intercropping Maize Monocropping Soybean
DOI10.1007/s11104-018-3625-6
WOS KeywordNITROGEN-FIXATION ; NITRATE UPTAKE ; N-2 FIXATION ; INORGANIC N ; INTERSPECIFIC COMPETITION ; TERRESTRIAL ECOSYSTEMS ; SYMBIOTIC MEMBRANES ; ANNUAL INTERCROPS ; ORGANIC NITROGEN ; LEGUME NODULES
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[31470560] ; National Natural Science Foundation of China[41601318] ; Youth Innovation Research Team Project[LENOM2016Q0004]
Funding OrganizationNational Natural Science Foundation of China ; Youth Innovation Research Team Project
WOS Research AreaAgriculture ; Plant Sciences
WOS SubjectAgronomy ; Plant Sciences ; Soil Science
WOS IDWOS:000431962400016
PublisherSPRINGER
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/55086
Collection中国科学院地理科学与资源研究所
Corresponding AuthorQiao, Na
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, 11A Datun Rd, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 101408, Peoples R China
Recommended Citation
GB/T 7714
Liu, Min,Qiao, Na,Zhang, Qian,et al. Cropping regimes affect NO3- versus NH4+ uptake by Zea mays and Glycine max[J]. PLANT AND SOIL,2018,426(1-2):241-251.
APA Liu, Min,Qiao, Na,Zhang, Qian,&Xu, Xingliang.(2018).Cropping regimes affect NO3- versus NH4+ uptake by Zea mays and Glycine max.PLANT AND SOIL,426(1-2),241-251.
MLA Liu, Min,et al."Cropping regimes affect NO3- versus NH4+ uptake by Zea mays and Glycine max".PLANT AND SOIL 426.1-2(2018):241-251.
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