You may be looking for the grain found on Earth known as Barley.
Bali was a location visited by the Doctor before his fourth incarnation.
After escaping a furnace unharmed, the Fourth Doctor claimed to have learnt the tricks of the fire-walkers in Bali. (TV: The Armageddon Factor [+]Bob Baker and Dave Martin, Doctor Who season 16 (BBC1, 1979).)
The Seventh Doctor had a book titled Bajazet Magna to Bali in the TARDIS library. (PROSE: Cat's Cradle: Time's Crucible [+]Marc Platt, adapted from Cat's Cradle (Marc Platt), Virgin New Adventures (Virgin Books, 1992).)
Behind the scenes
Bali is a province of Indonesia, as well as an island.