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Information Journal Paper

Title

KINETIC OF NON-EXCHANGEABLE POTASSIUM RELEASE WITH CACL2 FROM SOILS AND ITS COMPONENTS

Pages

  113-129

Abstract

 KINETIC studies on soil POTASSIUM RELEASE can contribute to a better understanding of K availability to plants, particularly in soils containing K bearing minerals. The objective of this research is to study the dynamic of nonexchangeable Potassium (NEK) from the whole soil, clay and silt fractions in four different soils of Golestan province through successive extraction with CaCl2 (0.01 M) over a period of 1800h and to study its relation with soil minerals types. The rates of cumulative NEK release were evaluated using the KINETIC equations. K release was fast in the earlier periods of the extraction in all soils and its fractions and it is followed with a lower rate to the end of experiment. The NEK release rates were well described through Ellovich, power function and diffusion equations upon the highest determination coefficient and the least estimation standard error. There were illite, chlorite, vermiculite, kaolinite, stratified minerals and quartz, feldspars, mica, chlorite in clay and silt fractions, respectively. Among the soil particle size fractions, clay particle showed the highest amount and rates of K release and Gharesou series with dominant smectite showed the highest K release.

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    APA: Copy

    FARSHADIRAD, A., DORDIPOUR, E., & KHORMALI, F.. (2013). KINETIC OF NON-EXCHANGEABLE POTASSIUM RELEASE WITH CACL2 FROM SOILS AND ITS COMPONENTS. ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, 3(1), 113-129. SID. https://sid.ir/paper/209847/en

    Vancouver: Copy

    FARSHADIRAD A., DORDIPOUR E., KHORMALI F.. KINETIC OF NON-EXCHANGEABLE POTASSIUM RELEASE WITH CACL2 FROM SOILS AND ITS COMPONENTS. ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION[Internet]. 2013;3(1):113-129. Available from: https://sid.ir/paper/209847/en

    IEEE: Copy

    A. FARSHADIRAD, E. DORDIPOUR, and F. KHORMALI, “KINETIC OF NON-EXCHANGEABLE POTASSIUM RELEASE WITH CACL2 FROM SOILS AND ITS COMPONENTS,” ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, vol. 3, no. 1, pp. 113–129, 2013, [Online]. Available: https://sid.ir/paper/209847/en

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