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Dartford's relegation worries continued when they suffered yet another away defeat on Saturday.
Tony Burman's side lost to an early goal at Salisbury and they remain seven points from safety in the Skrill Premier.
The home side took the lead after 15 minutes. Elliott Frear's quick corner caught the Darts cold and Jamie White fired a shot into the bottom corner.
Clovis Kamdjo and Theo Lewis had chances to increase Salisbury's lead and the visitors then had Danny Harris (pictured) sent-off for two bookable offences.
They almost grabbed a late equaliser when striker Ishmail Kamara headed just wide, but it was to be another disappointing return journey for the Darts.
Not since August have they won a league game on the road and this result extended their winless run to 15 games in all competitions.