Full TGIF Record # 176972
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DOI:10.1007/s11104-010-0575-z
Web URL(s):https://link.springer.com/content/pdf/10.1007%2Fs11104-010-0575-z.pdf
    Last checked: 07/09/2018
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https://link.springer.com/article/10.1007%2Fs11104-010-0575-z
    Last checked: 10/05/2017
Publication Type:
i
Refereed
Author(s):Wu, Honghui; Dannenmann, Michael; Fanselow, Nicole; Wolf, Benjamin; Yao, Zhisheng; Wu, Xing; BrĂŒggemann, Nicolas; Zheng, Xunhua; Han, Xingguo; Dittert, Klaus; Butterbach-Bahl, Klaus
Author Affiliation:Wu, Dannenmann, Wolf, Yao, Wu, BrĂŒggemann and Butterbach-Bahl: Karlsruhe Institute of Technology (KIT), Institute for Meteorology and Climate Research (IMK-IFU), Garmisch-Partenkirchen, Germany; Wu and Han: State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing, China; Fanselow and Dittert: Institute of Plant Nutrition and Soil Science, Christian-Albrechts-University Kiel, Keil, Germany; Yao and Zheng: Institute of Atmospheric Physics (IAP), Chinese Academy of Sciences, Beijing, China; Wu: State Key Joint Laboratory of Environmental Simulation and Pollution Control, School of Environment, Beijing Normal University, Beijing, China; Dannenmann: Institute of Forest Botany and Tree Physiology, Chair of Tree Physiology, University of Freiburg, Freiburg, Germany
Title:Feedback of grazing on gross rates of N mineralization and inorganic N partitioning in steppe soils of Inner Mongolia
Source:Plant and Soil. Vol. 340, No. 1-2, March 2011, p. 127-139.
# of Pages:13
Publishing Information:Dordrecht, Netherlands: Kluwer Academic Publishers
Related Web URL:https://link.springer.com/article/10.1007%2Fs11104-010-0575-z#Abs1
    Last checked: 07/09/2018
    Notes: Abstract only
Keywords:TIC Keywords: Grazing; Microbiological soil analysis; Nitrogen cycle; Nitrogen mineralization; Nitrogen partitioning; Nitrogen uptake; Steppe soils
Abstract/Contents:"Plant-microbe interactions are crucial regulators of belowground nitrogen cycling in terrestrial ecosystems. However, such interactions have mostly been excluded from experimental setups for the investigation of gross inorganic N fluxes and N partitioning to plants and microorganisms. Ungulate grazing is likely to feed back on soil N fluxes, and hence it is of special importance to simultaneously investigate grazing effects on both plant and microbial N fluxes in intact plant-soil systems, where plant-microbe interactions persist during the experimental incubation. Based on the homogenous 15NH4+ labelling of intact plant-soil monoliths we investigated how various stocking rates (0, 2.35, 4.8 and 7.85 sheep ha-1 grazing season-1) in steppe of Inner Mongolia feedback on gross rates of N mineralization and short-term inorganic N partitioning between plant, microbial and soil N pools. Our results showed that the effect of grazing on gross N mineralization was non-uniform. At low stocking rate gross N mineralization tended to decrease but increased with higher grazing pressure. Hence, there was no significant correlation between stocking rate and gross N mineralization across the investigated grazing intensities. Grazing decreased 15N recovery both in plant and microbial N pools but strongly promoted NO3- accumulation in the soil and thus negatively affected potential ecosystem N retention. This appeared to be closely related to the grazing-induced decline in easily degradable soil C availability at increasing stocking rate."
Language:English
References:57
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Wu, H., M. Dannenmann, N. Fanselow, B. Wolf, Z. Yao, X. Wu, et al. 2011. Feedback of grazing on gross rates of N mineralization and inorganic N partitioning in steppe soils of Inner Mongolia. Plant Soil. 340(1-2):p. 127-139.
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DOI: 10.1007/s11104-010-0575-z
Web URL(s):
https://link.springer.com/content/pdf/10.1007%2Fs11104-010-0575-z.pdf
    Last checked: 07/09/2018
    Requires: PDF Reader
https://link.springer.com/article/10.1007%2Fs11104-010-0575-z
    Last checked: 10/05/2017
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