. "Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways involving sulfur or compounds containing sulfur." . . . "positive regulation of sulfur metabolic process" . "activation of sulfur metabolic process" . "positive regulation of sulfur metabolism" . "positive regulation of sulphur metabolic process" . "positive regulation of sulphur metabolism" . "stimulation of sulfur metabolic process" . "up regulation of sulfur metabolic process" . "up-regulation of sulfur metabolic process" . "upregulation of sulfur metabolic process" . . . . . . . . . . .