The Role of Powder Sub-bituminous Coal with Sodium Hydroxide (NaOH) to Improve Chemical Properties of Ultisols
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DOI: 10.18517/ijaseit.8.5.3543
Abstract: This research was conducted in soil chemical laboratory, Faculty of Agriculture, Andalas University, from December 2016 until May 2017. The purpose of this research are to determine the level of activeness of powder coal S… read more here.
Keywords: bituminous coal; powder sub; sub bituminous; chemical ... See more keywords