《Table 6 The content of water soluble chlorine in tobacco-planting soil of Fuzhou city》

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《Evaluation and Analysis of Nutrients in Tobacco-Planting Soil in Fuzhou City》

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Chlorine is an essential nutrient for flue-cured tobacco，and proper amount of chlorine plays an important role in the yield and quality of tobacco.The test results（Table 6）show that the watersoluble chlorine content of tobacco-planting soil in Fuzhou ranges from 10.7 to 291 cmol/kg，with an average of 88.95 cmol/kg，and the coefficient of variation is 68.31%，indicating high variation range.Among them，there are no soil samples with content of less than 2 cmol/kg，and the soil samples with the content of2-25 cmol/kg account for 6.34%，19.72%for 25-40 cmol/kg，5.63%for 40-45 cmol/kg，and up to 68.31%for the samples with content of greater than 45 cmol/kg.The results suggest that the tobacco-planting soil in most tobacco-producing areas in Fuzhou has high chloride ion content，which is unfavorable for tobacco planting.