Browsing UT - Land Resource Management by Author "Gultom, Posma Roida"
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Pengaruh Terak Baja terhadap Sifat-Sifat Kimia Tanah Sulfat Masam dan Produksi Padi (Oryza sativa L.)
Gultom, Posma Roida | Indriyati,Lilik Tri | Suwardi (2012)Steel slag is one of the solid waste from the process of purifying molten iron in steel-making. Steel slag is formed through the reaction of iron ore and limestone. Steel slag contains some elements such as Ca, Mg, Mn, Fe, ...