烟稻复种连作对中、微量元素含量的影响效应研究
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湖南省烟草专卖局项目(09-12Aa01)


Effect of continuous and multiple cropping of tobacco rice on medium and trace elements
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    摘要:

    为研究烟稻复种连作对土壤有效中、微量元素含量和烟叶中对应元素含量的影响效应,采取烟田定位检测和回归分析方法进行试验。结果表明,0~23年烟稻复种连作研究范围内,土壤和烟叶中的硫含量呈逐步积累趋势,土壤中其它9种中、微量元素有效铁、锰、铜、锌、硼、钼、水溶性氯、交换性钙、镁含量在复种连作10~15年后,呈不同程度的下降趋势,烟叶中对应的9种中、微量元素含量或呈直接下降趋势或复种连作10年后呈下降趋势,以上变化不利于烤烟良好品质的形成。土壤有效硼、钼、硫、钙、镁含量与烟叶中对应元素含量达到了极显著或显著的正相关关系,其它元素相关性不显著。

    Abstract:

    The effect of continuous and multiple cropping of tobacco rice on soil available medium & trace elements and the corresponding elements in tobacco leaves was carried out in tobacco field.The results indicated that during 0~23 years of continuous and multiple tobacco rice cropping,the sulfur content in soil and tobacco leaf increased gradually;the soil available nutrients of other 9 kinds’ medium & trace elements showed different degree’ downward trend after 10~15 years of continuous and multiple tobacco rice cropping,meanwhile these corresponding 9 kinds of nutrient elements in tobacco leaves showed a downward trend directly or after 10 years of continuous and multiple cropping.The above changes were disadvantaged to the formation of good quality of flue cured tobacco.The correlation between soil available boron,molybdenum,sulfur,calcium and magnesium and the corresponding elements in flue cured tobacco leaves very significantly or significantly positive,other elements had no significant correlation.

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梁文旭,靳志丽,莫凯明,蒋宇仙.烟稻复种连作对中、微量元素含量的影响效应研究[J].中国土壤与肥料,2014,(2):40-44.

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  • 收稿日期:2013-05-04
  • 最后修改日期:2013-07-07
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  • 在线发布日期: 2014-04-14
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