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The concentration of fluorine to the public water bodies permitted by water pollution law is 15 mg L-1. The growth of rice plants was severely depressed by fluorine added to the culture solution at 5-...
The effect of fluorine (HF) added to the culture solution at 0, 5, 10, 15, 20, 30 and 50 ppm on the growth of Oryza sativa L. cv. Koshihikari was investigated. The increase in the leaf number on the m...
The effect of fluorine (HF) added to the culture solution on the growth of Oryza sativa L.cv.Koshihikari was investigated. HF was added to the culture solution at 50 ppm for 10 days at the active-til...
The fluorine included in factory effluents may pollute river water, irrigation water and paddy field soil. The effect of soil fluorine at the concentrations 100, 279, 458, 816, 1173, 1352, and 1531 pp...

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