Impact of microbial activity on the leaching of soluble N forms in soil

A. M. Carswell; P. W. Hill; D. L. Jones; M. S. A. Blackwell; P. J. Johnes; E. R. Dixon; D. R. Chadwick

doi:10.1007/s00374-017-1250-9

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Impact of microbial activity on the leaching of soluble N forms in soil

Journal article

Open access

Peer reviewed

Impact of microbial activity on the leaching of soluble N forms in soil

A. M. Carswell, P. W. Hill, D. L. Jones, M. S. A. Blackwell, P. J. Johnes, E. R. Dixon and D. R. Chadwick

Biology and fertility of soils, Vol.54(1), pp.21-25

2018

DOI: https://doi.org/10.1007/s00374-017-1250-9

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Abstract

Agriculture

Life Sciences & Biomedicine

Science & Technology

Soil Science

The hydrological transport of low-molecular weight organic nitrogen (LMWON) compounds has received little attention in the literature, particularly relative to inorganic nitrogen (N), with less attention given to the decoupling of the carbon (C) and N cycles following rainfall events. We determined the impacts of the soil biota on the transport of N compounds in a loam soil, using N-15 and C-13 to trace the vertical transport of (NC)-N-15-C-13-urea, (NC)-N-15-C-13-amino acids, (NO3)-N-15, and (NH4)-N-15 through the soil profile, following simulated rainfall events. This research has demonstrated that biotic assimilation leads to rapid decoupling of the C and N cycles during leaching, with C transport limited to the soil surface (< 2 cm), whereas N which was stored within the soil profile during a single rainfall event could be remobilised and leached (a further 2-6 cm) following an additional rainfall event.

Details

Title: Impact of microbial activity on the leaching of soluble N forms in soil
Authors/Creators: A. M. Carswell - Rothamsted Research
P. W. Hill - Bangor University
D. L. Jones - Bangor University
M. S. A. Blackwell - Rothamsted Research
P. J. Johnes - University of Bristol
E. R. Dixon - Rothamsted Research
D. R. Chadwick - Bangor University
Publication Details: Biology and fertility of soils, Vol.54(1), pp.21-25
Publisher: Springer Nature
Number of pages: 5
Grant note: NE/K01093X/1 / UK Natural Environment Research Council; UK Research & Innovation (UKRI); Natural Environment Research Council (NERC) BBS/E/C/000I0320 / Biotechnology and Biological Sciences Research Council; UK Research & Innovation (UKRI); Biotechnology and Biological Sciences Research Council (BBSRC) Lawes Trust/University of Reading Studentship NE/K010689/1 / NERC; UK Research & Innovation (UKRI); Natural Environment Research Council (NERC) NE/K010689/1 / Natural Environment Research Council; UK Research & Innovation (UKRI); Natural Environment Research Council (NERC) BBS/E/C/000I0320 / BBSRC; UK Research & Innovation (UKRI); Biotechnology and Biological Sciences Research Council (BBSRC)
Identifiers: 991005560428507891
Copyright: © 2017 Elsevier B.V.
Murdoch Affiliation: Centre for Sustainable Farming Systems
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration
Citation topics: 3 Agriculture, Environment & Ecology; 3.45 Soil Science; 3.45.112 Soil Carbon Dynamics
Web Of Science research areas: Soil Science
ESI research areas: Agricultural Sciences