Use of Fluoride-Containing Water for the Irrigation of Soil - Plant Systems

Scholz, Lisa M., Kopittke, Peter M., Menzies, Neal W., Dalzell, Scott A., Macfarlane, David C. and Wehr, J. Bernhard (2015) Use of Fluoride-Containing Water for the Irrigation of Soil - Plant Systems. Journal of Agricultural and Food Chemistry, 63 19: 4737-4745. doi:10.1021/acs.jafc.5b01001


Author Scholz, Lisa M.
Kopittke, Peter M.
Menzies, Neal W.
Dalzell, Scott A.
Macfarlane, David C.
Wehr, J. Bernhard
Title Use of Fluoride-Containing Water for the Irrigation of Soil - Plant Systems
Journal name Journal of Agricultural and Food Chemistry   Check publisher's open access policy
ISSN 1520-5118
0021-8561
Publication date 2015-04-30
Year available 2015
Sub-type Article (original research)
DOI 10.1021/acs.jafc.5b01001
Open Access Status Not yet assessed
Volume 63
Issue 19
Start page 4737
End page 4745
Total pages 9
Place of publication Washington, DC, United States
Publisher American Chemical Society
Collection year 2016
Language eng
Abstract Many groundwaters used for irrigation contain elevated concentrations of F, but much remains unknown regarding how this F behaves within soils and plants. The present study investigated the adsorption and desorption of F from several soils in short- to medium-term irrigation systems and related foliar F concentrations in three forage plant species to the maximum tolerable level (MTL) in the diets of grazing animals (being 1.8 μmol/g for young cattle, for example). Although adsorption isotherms could be successfully used to predict the behavior (adsorption and desorption) of F within the soil, this was not related to the subsequent accumulation of F in plant foliage. In addition, the extent to which F accumulated in the foliage depended on the plant species. Regardless, F generally did not accumulate in plant foliage to levels exceeding the MTL when used at rates equivalent to irrigation for 25 years. In addition to uptake by roots, F may accumulate in foliar tissues directly due to retention from overhead irrigation. The data presented here regarding the behavior of F in soils and plants will assist in the rigorous regulation of F-containing irrigation water to ensure maximum plant growth while simultaneously minimizing potential harm.
Keyword Adsorption and desorption
Fluoride toxicity
Fluoride uptake
Lucerne
Leucaena
Rhodes grass
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Agriculture and Food Sciences
Official 2016 Collection
 
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