Tassie opener Ward hits Shield half-ton

Tasmania's Tim Ward has hit a half-century against SA in the Sheffield Shield. (Darren England/AAP PHOTOS) (AAP)

Opener Tim Ward has struck a half-century as Tasmania set their sights on South Australia's first innings total in their Sheffied Shield match at the Adelaide Oval.

Tasmania reached 3-105 at lunch on day two, having bowled SA out for 227.