The Recommendations for the Content of Fluoride of Phosphate Fertilizer used in Tea Garden
It is beneficial to human health with moderate fluoride,but the fluorosis may occur in extreme cases of prolonged fluoride over-consumption.The content of fluoride in some brick tea is usually very high in excess of the national standards.There are water soluble and water insoluble fluoride in phosphate fertilizer because the phosphate rock contains a certain amount of fluoride.The content of fluoride in phosphate fertilizer has an impact on the content of fluoride in tea.The production costs of the phosphate fertilizer were considered with a view to its fact of the phosphate fertilizer factory.The content of fluoride in tea can be controlled through the limitation on content of fluoride in phosphate fertilizer.The content of fluoride in tea will meet the national standards.The recommended standard on the fluoride content of phosphate fertilizer used in tea plantations are offered.
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