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广东省不同母质赤红壤磷的吸附与解吸

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甘海华, 梁中龙, 卢瑛, 吴顺辉, 李永涛. 广东省不同母质赤红壤磷的吸附与解吸[J]. 环境化学, 2001, 20(6): 572-576.
引用本文: 甘海华, 梁中龙, 卢瑛, 吴顺辉, 李永涛. 广东省不同母质赤红壤磷的吸附与解吸[J]. 环境化学, 2001, 20(6): 572-576.
shu
Gan Haihua, Liang Zhonglong, Lu Ying, Wu Xunhui, Li Yongtao. PHOSPHATE ADSORPTION AND DESORTION IN LATERITIC REDSOILS FROM DIFFERENT PARENT MATERIALS IN GUANGDONG[J]. Environmental Chemistry, 2001, 20(6): 572-576.
Citation: Gan Haihua, Liang Zhonglong, Lu Ying, Wu Xunhui, Li Yongtao. PHOSPHATE ADSORPTION AND DESORTION IN LATERITIC REDSOILS FROM DIFFERENT PARENT MATERIALS IN GUANGDONG[J]. Environmental Chemistry, 2001, 20(6): 572-576.
shu

广东省不同母质赤红壤磷的吸附与解吸

  • 基金项目:

    国家“九五”攻关项目(96－004－03－10)

    芭田基金(BJ2000－02)资助

PHOSPHATE ADSORPTION AND DESORTION IN LATERITIC REDSOILS FROM DIFFERENT PARENT MATERIALS IN GUANGDONG

  • 1.

    College of Resource and Environmental Science, South China Agriculture University, Guangzhou, 5l0642

  • Fund Project:

  • 摘要: 研究了广东省4种不同母质赤红壤磷的吸附与解吸特征,结果表明,4种不同母质赤红壤等温吸附方程(Langmuir方程,Freundilch方程和Temkin方程)的拟合结果都达到了极显着的水平。土壤吸附磷量由大到小的顺序为：玄武岩>页岩>花岗岩>砂页岩。赤红壤对磷的解吸顺序为：玄武岩<页岩<花岗岩<砂页岩,说明粘粒较少的母质土壤对磷的吸附力也小,因此,更容易解吸。提高土壤有机质的含量,可以改善土壤的供磷性能。
    Abstract: The phosphate adsorption and desorption in lateritic red soils from 4 parent materials in Guang-dong were studied in the paper. The results showed that the isothermal adsorption equations of Langmuir equations, Freundlich equations and Temkin equations perfectly modeled the processes of phosphate adsorption in lateritic red soils from 4 parent materials. H2PO4- adsorption capacity in the lateritic red soils was followed by the order of basalt shale granite sandstone. H2PO4- desorp.tioncapacity was in following order: basalt
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  • [1] 张新明,李华兴,刘远金,广东省主要母质发育水稻土对磷的吸附特征.应用生态学报,2000,11(4):553-556
    [2] 李鼎新,汪美玲,曹美英,黄土高原地区几种土壤磷的吸附与解吸研究.土壤通报,1989,20(4):150-153
    [3] Quang V D,Thai V C,Linh T T T et al.,Phosphorus Sorption in Soils of the Mekong Delta(Vietnam)as Described by the Binary Langmuir Equation.European J.Soil.Sci.,1996,47:113-123
    [4] 甘海华,徐盛荣,红壤及其有机无机复合体对磷的吸附与解吸规律探讨.土壤通报,1994,25(6):264-266
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  • 收稿日期:  2001-02-24
甘海华, 梁中龙, 卢瑛, 吴顺辉, 李永涛. 广东省不同母质赤红壤磷的吸附与解吸[J]. 环境化学, 2001, 20(6): 572-576.
引用本文: 甘海华, 梁中龙, 卢瑛, 吴顺辉, 李永涛. 广东省不同母质赤红壤磷的吸附与解吸[J]. 环境化学, 2001, 20(6): 572-576.
shu
Gan Haihua, Liang Zhonglong, Lu Ying, Wu Xunhui, Li Yongtao. PHOSPHATE ADSORPTION AND DESORTION IN LATERITIC REDSOILS FROM DIFFERENT PARENT MATERIALS IN GUANGDONG[J]. Environmental Chemistry, 2001, 20(6): 572-576.
Citation: Gan Haihua, Liang Zhonglong, Lu Ying, Wu Xunhui, Li Yongtao. PHOSPHATE ADSORPTION AND DESORTION IN LATERITIC REDSOILS FROM DIFFERENT PARENT MATERIALS IN GUANGDONG[J]. Environmental Chemistry, 2001, 20(6): 572-576.
shu

广东省不同母质赤红壤磷的吸附与解吸

  • 收稿日期:  2001-02-24
基金项目:

国家“九五”攻关项目(96－004－03－10)

芭田基金(BJ2000－02)资助

摘要: 研究了广东省4种不同母质赤红壤磷的吸附与解吸特征,结果表明,4种不同母质赤红壤等温吸附方程(Langmuir方程,Freundilch方程和Temkin方程)的拟合结果都达到了极显着的水平。土壤吸附磷量由大到小的顺序为：玄武岩>页岩>花岗岩>砂页岩。赤红壤对磷的解吸顺序为：玄武岩<页岩<花岗岩<砂页岩,说明粘粒较少的母质土壤对磷的吸附力也小,因此,更容易解吸。提高土壤有机质的含量,可以改善土壤的供磷性能。

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