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Fluoride content in grass as related to atmospheric fluoride concentrations a simplified predictive model



Fluoride content in grass as related to atmospheric fluoride concentrations a simplified predictive model



Agriculture Ecosystems & Environment 37(4): 257-274



A relatively simple model is presented that describes the increase and decrease of fluoride contents in pasture grass (FG) dependent on the atmospheric fluoride concentration (FA), season and rainfall. This model is useful to generalize the measured FG, to give some insight into daily and seasonal fluctuations and to compare standards for FA with standards for FG. To prevent values in excess of 55 .mu.g g-1 for FG, which is assumed to be a threshold for fluorosis (fluoride toxicity in cattle), the maximum acceptable 24 h average of FA is 0.8 .mu.g m-3 during the growing season and 0.3 .mu.g m-3 for the rest of the year.

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Accession: 007355442

Download citation: RISBibTeXText

DOI: 10.1016/0167-8809(91)90156-r



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