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烤烟不同生育期供钾水平对叶片钾含量的影响

张明发, 朱列书

张明发, 朱列书. 烤烟不同生育期供钾水平对叶片钾含量的影响[J]. 中国烟草科学, 2009, 30(1): 23.
引用本文: 张明发, 朱列书. 烤烟不同生育期供钾水平对叶片钾含量的影响[J]. 中国烟草科学, 2009, 30(1): 23.
ZHANG Mingfa, ZHU Lieshu. Effects of Potassium Rate in Different Growth Stages on Leaf Potassium Content of Flue-cured Tobacco[J]. CHINESE TOBACCO SCIENCE, 2009, 30(1): 23.
Citation: ZHANG Mingfa, ZHU Lieshu. Effects of Potassium Rate in Different Growth Stages on Leaf Potassium Content of Flue-cured Tobacco[J]. CHINESE TOBACCO SCIENCE, 2009, 30(1): 23.

烤烟不同生育期供钾水平对叶片钾含量的影响

详细信息
    作者简介:

    张明发(1968-),男,农艺师,主要从事烟草栽培学研究。

Effects of Potassium Rate in Different Growth Stages on Leaf Potassium Content of Flue-cured Tobacco

  • 摘要: 采用砂培法模拟烤烟不同生育期的钾素营养对烟叶产量和含钾量的影响。结果表明,烟叶产量与烤烟生育前、中期供钾量呈极显著正相关;烟叶含钾量与烤烟中、后期供钾量呈极显著正相关。通径分析发现,烤烟生育中期供钾强烈影响烟叶产量和含钾量,生育前期供钾主要对烟叶产量有一定作用,而对烟叶含钾量影响较小;生育后期供钾主要影响烟叶含钾量,而对烟叶产量作用较小。提出生育后期充足供钾对提高烟叶含钾量作用极大,并提倡钾肥分次使用。
    Abstract: The studies on the effects of potassium nutrient in different stages of growth on leaf yield and quality of flue-cured tobacco were conducted by way of sand culture. The results demonstrated that tobacco leaf yields was significantly correlated with K application in early and mid stages, while K content in leaf was highly significantly correlated with K application in later stage of growth. The results of path analyses showed that K application in mid stage had strong effect on the leaf yield and leaf K content, K application in early stage had some effect on leaf K level and less effect on the leaf yield. K application in later growth stage growth is very important to increase the leaf K content, and split application of K fertilizer was also suggested.
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出版历程
  • 收稿日期:  2007-07-15
  • 刊出日期:  2009-02-27

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