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Studies of Energy Spectrum Analysis on the Absorption and Distributive Laws of Nutrient Elements in Sucking Roots of Ginkgo biloba L.
Author(s): 
Pages: 363-366
Year: Issue:  3
Journal: ACTA HORTICULTURAE SINICA

Keyword:  银杏X-能谱分析动力转换期营养元素;
Abstract: 能谱分析银杏吸收根组织对营养元素的吸收规律,结果表明:1.根对营养元素的吸收有两次高峰,第一次出现在营养液培养处理后的4~6 h左右,第二次出现在10~24 h左右;2.营养元素的吸收规律和在银杏根不同组织分布与培养液中元素种类、离子的类型和银杏根系对营养元素需求特性有关;3.银杏根系中K、Na元素积累量较高,显示银杏是一种代谢强度大、耐盐的植物.
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