e-ISSN 2231-8542
ISSN 1511-3701

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Potentiometric Titration of Acid Soils From Peninsular Malaysia

J. Shamshuddn and E. Tessens

Pertanika Journal of Tropical Agricultural Science, Volume 6, Issue 1, April 1983

Keywords: Potentiometric titration; acid soils; Peninsular Malaysia.

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The study indicates the dominance o f Al in controlling the acidity o f acid Peninsular Malaysian soils. The buffering action o f the soils is dominated by AI below pH 5.5 and by the clay minerals, mainly kaolinite, at pH above pH 5.5. The rate o f extraction o f Al from the soils depends on the concentration o f the extracting solution. Lime requirement o f the soils can be obtained by multiplying the base needed to raise the pH o f the soil to 5.5 by a factor 1.3.

ISSN 1511-3701

e-ISSN 2231-8542

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