White Rose University Consortium logo
University of Leeds logo University of Sheffield logo York University logo

Plant nitrogen capture from organic matter as affected by spatial dispersion, interspecific competition and mycorrhizal colonization

Hodge, A. (2003) Plant nitrogen capture from organic matter as affected by spatial dispersion, interspecific competition and mycorrhizal colonization. New Phytologist, 157 (2). pp. 303-314. ISSN 0028-646X

Full text not available from this repository.

Abstract

•The capture of nitrogen (N) by plants from N-rich complex organic material differing in spatial (uniform dispersion or discrete patches) heterogeneity was measured, as well as the subsequent impact on N capture of the addition of a mycorrhizal inoculum ( Glomus hoi ).

•The organic material was dual-labelled with 15 N and 13 C to follow plant uptake of N (as 15 N) and to determine the amounts of original 13 C and 15 N which remained in the soil at harvest. The organic material was added to microcosm units containing Lolium perenne or Plantago lanceolata in intra or interspecific competition.

•Plant N capture from the dispersed organic material was more than twice that from the discrete patch (dispersed: 17%; discrete: 8%). There was no effect of species composition or the mycorrhizal inoculum on total plant N capture except when in interspecific plant competition. Here, N capture was dependent on the root length produced and was always higher when the mycorrhizal inoculum was present.

•Mycorrhizal colonization increased N capture from the organic material when in interspecific plant competition but not in monoculture.

Item Type: Article
Copyright, Publisher and Additional Information: Open access copy available from the journal web site.
Keywords: arbuscular mycorrhizal (AM) fungi, decomposition, organic material, spatial heterogeneity, intra- and interspecific competition
Academic Units: The University of York > Biology (York)
Depositing User: Open Access From Journal
Date Deposited: 22 Dec 2008 19:27
Last Modified: 22 Dec 2008 19:27
Published Version: http://dx.doi.org/10.1046/j.1469-8137.2003.00662.x
Status: Published
Publisher: Wiley-Blackwell
Refereed: Yes
Identification Number: 10.1046/j.1469-8137.2003.00662.x
URI: http://eprints.whiterose.ac.uk/id/eprint/5094

Actions (login required)

View Item View Item