File(s) under permanent embargo
Inorganic monophosphate determination in overland flow from irrigated grazing systems
journal contribution
posted on 2000-01-01, 00:00 authored by David HalliwellDavid Halliwell, J Coventry, D NashThis paper presents a novel technique for measuring soluble inorganic monophosphate in water based on high performance liquid chromatography and flow injection detection (IC-FI). The IC-FI technology was applied to irrigation water from the Macalister Research Farm in South Eastern Australia. Overland flow was measured exiting two irrigation bays. Inorganic monophosphate constituted over 97% of the DRP component and between 86-93% of the total phosphorus. Similar results were obtained from a channel that drained the excess irrigation water from the farm. This work supports the findings of others that show DRP contributes a large portion of the P in runoff from grazing systems. Additionally, it confirms this fraction is dominated by immediately bioavailable inorganic monophosphate, something that previously could only be inferred due to the limitations of the chemistry applied.
History
Journal
International journal of environmental analytical chemistryVolume
76Issue
2Pagination
77 - 87Publisher
Taylor & FrancisLocation
Abingdon, Eng.Publisher DOI
ISSN
0306-7319eISSN
1029-0397Language
engPublication classification
C1.1 Refereed article in a scholarly journalCopyright notice
2000, OPA (Overseas Publishers Association)Usage metrics
Categories
No categories selectedKeywords
Licence
Exports
RefWorks
BibTeX
Ref. manager
Endnote
DataCite
NLM
DC