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在调查鄂西南主要植烟土壤氯含量及烤烟叶片含氯量的基础上 ,通过田间施氯研究结果表明 ,土壤氯含量低是导致烟叶含氯量低的主要原因。烤烟施氯既能提高烟叶产量 ,又能改善烟叶品质 ,施氯量30 0～ 97 5kg/hm2 对烟叶的产量和质量均有良好的效果。同时用氯化钾代替部分硫酸钾能降低肥料投入 ,提高经济效益。
Based on the investigation of the chlorine content of the main tobacco-growing soils in southwestern Hubei Province and the chlorine content of the flue-cured tobacco leaves, the results of the field application of chlorine show that the low chlorine content in the soil is the main cause of the low chlorine content in the tobacco leaves. The application of flue-cured tobacco can not only improve the yield of tobacco leaves, but also improve the quality of tobacco leaves. The application of 30 0 ~ 97 5kg / hm2 of chlorine has a good effect on the yield and quality of tobacco leaves. At the same time potassium chloride instead of part of potassium sulfate can reduce fertilizer inputs and improve economic efficiency.