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当前位置: 首页 > 文章 > 钾肥追施时期对山地烤烟烟叶质量的影响 贵州农业科学 2018 (2) 41-45
Position: Home > Articles > Effect of Potassium Application at Different Growth Stages on Quality of Flue-cured Tobacco in Mountainous Area Guizhou Agricultural Sciences 2018 (2) 41-45

钾肥追施时期对山地烤烟烟叶质量的影响

作  者：
王威威;王刚;孟相开;张梦旭;沈铮;王少飞;古力;王峰吉;张重义
单  位：
江苏中烟工业有限责任公司;福建农林大学作物科学学院;重庆烟草公司武隆县烟草分公司
关键词：
山地烤烟;钾肥;土壤钾含量;烟叶化学成分;中性香气物质含量
摘  要：
为提高钾肥利用率,增加山地烤烟钾含量及其中性致香物质含量,采用田间试验的方法,进行不同时期追施钾肥试验,比较各生育期土壤钾含量及烤后烟叶化学成分、中性致香物质和感官评吸质量。结果表明:土壤中全钾及速效钾含量变化基本一致,均随追施K_2SO_4的时间而相应变化;随着钾肥追施时间的后移,烤烟中上部烟叶钾含量、中性致香物质含量等均有所提高,以移栽后40d追施硫酸钾20kg/667m~2的效果最好,烤后中部烟叶评吸得分最高,中性致香物质总量分别比不追施钾肥、移栽后20d和30d追施钾肥分别高27.49%、22.13%和14.01%。
译  名：
Effect of Potassium Application at Different Growth Stages on Quality of Flue-cured Tobacco in Mountainous Area
作  者：
WANG Weiwei;WANG Gang;MENG Xiangkai;ZHANG Mengxu;SHEN Zheng;WANG Shaofei;GU Li;WANG Fengji;ZHANG Zhongyi;College of Crop Sciences,Fujian Agricultural and Forestry University;China Tobacco Jiangsu Industrial Co.,Ltd.;Wulong Branch Company,Chongqing Tobacco Company;
关键词：
flue-cured tobacco in mountainous area;;potassium;;soil potassium content;;chemical component of cured tobacco leaves;;neutral aroma component content
摘  要：
The effects of potassium application at different growth stages on soil potassium content,chemical components,neutral aroma components and sensory smoking quality of cured tobacco leaves to improve potassium utilization rate and increase the content of potassium and neutral aroma components of flue-cured tobacco in mountainous area.Results:The variation of total potassium and rapid available potassium content in soil is the same basically among four applying potassium treatments,and total potassium and rapid available potassium content in soil changes with K_2SO_4 application time.The potassium and neutral aroma components content of flue-cured tobacco with middle and upper parts increases with backward of K_2SO_4 application time to some extent.The smoking score of cured tobacco leaves with the middle part is the highest when the flue-cured tobacco seedlings are applied with 20 kg/667 m~2 K_2SO_4 on 40 thday after transplanting.The neutral aroma components content of cured tobacco leaves under applying 20 kg/667 m~2 K_2SO_4 on 40 thday after transplanting is 27.49%,22.13% and 14.01% higher than CK(no potassium application),Treatment I(applying 20 kg/667 m~2 K_2SO_4 on 20 th day after transplanting)and Treatment II(applying 20 kg/667 m~2 K_2SO_4 on 30 thday after transplanting)respectively.

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