Responses to water quality and calcium and magnesium fertilization on container plant production were investigated. The thesis consisted of three separate, according to plant species, 3 x 18 factorial experiments utilizing three water qualities and 18 fertilizer treatments (two levels of dolomite, and 16 combinations of caco3 and MgO). Water quality significantly affected plant growth, and caco3 and MgO combinations were superior to dolomite as a ca and Mg source.