Articles | Volume 7, issue 2
https://doi.org/10.5194/se-7-367-2016
https://doi.org/10.5194/se-7-367-2016
Research article
 | 
09 Mar 2016
Research article |  | 09 Mar 2016

Alleviating aluminum toxicity in an acid sulfate soil from Peninsular Malaysia by calcium silicate application

A. A. Elisa, S. Ninomiya, J. Shamshuddin, and I. Roslan

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Short summary
The main problem of acid sulfate soil is that it has a low soil pH and contains a high amount of aluminum (Al). There have been several approaches to improve this soil. In this study, the application of calcium silicate was found to be a suitable soil ameliorant as it alleviated Al toxicity below the critical level for rice production, as well as also providing a sufficient amount of silicon (Si) and calcium (Ca), which are also needed for rice growth.