Sean Davey hit a record third consecutive century for Bay of Plenty to put the Hawke Cup defenders in a commanding position after two days against Nelson.
At stumps at Bay Oval on Saturday, Nelson were 74-3 chasing the massive Bay of Plenty total of 469-8 declared.
Bay of Plenty resumed on day two of the Hawke Cup challenge against Zone Three challengers Nelson at 284 for the loss of four wickets.
The visitors had early success removing skipper Peter Drysdale, who added seven runs to his overnight total to be dismissed for 90 followed quickly by Jono Boult.
Batting at seven, Davey took up the attack and worked his way to his side's top score of 111 off 189 balls, which included 14 boundaries and three sixes. Davey achieved the rare feat of scoring three minor association representative centuries in successive matches.
Bay of Plenty declared at 469/9 shortly after the tea adjournment. The Bay opened their bowling attack with the Northern Districts pair of Tony Goodin and Jono Boult, with Goodin grabbing the first wicket at 30.
At stumps on day two, Nelson were 74 for the loss of three wickets, with Mason Thelin on 44 not out. The three Bay of Plenty bowling scalps were shared between Boult, Davey and Goodin.
Bay of Plenty 469/9 (SB Davey 111, JF Carter 105, RPO Drysdale 90, TJ MacRury 54, TC Goodin 28, AZ Lees 21; JM O'Connor 3/69) Nelson 74/3 (MJ Thelin 44no) at stumps on day two.