Research Progress on the Effects of Selenium on the Growth and Quality of Tea Plants.

The total selenium content of tea trees at suitable selenium concentrations (5.0~100.0 mg/L) showed an increasing trend and showed significant differences at 25 mg/L, but high concentrations of selenium (150 mg/L) would have toxic effects on the growth of tea trees ( Table 1 ); in the third year after soil application of sodium selenite, the selenium content of all parts of tea trees was significantly increased, esp

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