In-situ soil solution extraction with polyacrylonitrile hollow-fibers

Menzies, N. and Guppy, C. (2000) In-situ soil solution extraction with polyacrylonitrile hollow-fibers. Communications in Soil Science and Plant Analysis, 31 11-14: 1875-1886. doi:10.1080/00103620009370544


Author Menzies, N.
Guppy, C.
Title In-situ soil solution extraction with polyacrylonitrile hollow-fibers
Journal name Communications in Soil Science and Plant Analysis   Check publisher's open access policy
ISSN 0010-3624
Publication date 2000-01-01
Sub-type Article (original research)
DOI 10.1080/00103620009370544
Open Access Status
Volume 31
Issue 11-14
Start page 1875
End page 1886
Total pages 12
Editor H.A. Mills
Place of publication Monticello, NY
Publisher Marcel Dekker
Language eng
Subject C1
300103 Soil Chemistry
770502 Land and water management
Abstract Hollow-fiber samplers permit the non-destructive extraction of the soil solution from the soil matrix. Samplers constructed from polyacrylonitrile filter elements were successfully used to extract solution from a range of soil types. Preliminary testing showed that the filter elements did not retain any of the major anions or cations present in soil solution. Inorganic ions capable of specific adsorption (PO4 and Cu) were not retained, but phytate concentration was reduced by passage through the filter. Comparison with centrifuge drainage extraction showed that soil solution obtained from hollow-fiber samplers had a higher pH, as a result of CO2 degassing, and lower elemental concentrations. It was concluded that the hollow-fiber samplers were preferentially extracting solution from the larger pores, and that this solution may better represent that extracted by plants.
Keyword Agronomy
Plant Sciences
Chemistry, Analytical
Agriculture, Soil Science
Ph Errors
Root-zone
Water
Carbon
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Agriculture and Food Sciences
 
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Created: Tue, 10 Jun 2008, 21:53:17 EST