Southee eager for New Zealand improvement

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New Zealand paceman Tim Southee still wants to see more from his team despite sealing their one-day international series against Bangladesh.

A 67-run win in Nelson on Thursday saw the Black Caps take a 2-0 lead in the three-match series.

New Zealand were beaten 3-0 in Australia earlier this month, but they welcome their trans-Tasman rivals for three ODIs next year.

Southee is looking forward to seeing improvement from his team ahead of that series in January and February.

"There's still a bit of cricket to be played before then and you're never satisfied with how you're going so I think we're always looking to improve," he said.

"Obviously different grounds we're going to be playing on again so I think the guys are a lot more comfortable in playing the conditions we know and have had a lot of success in over the last number of years."

The hosts appeared to be in some trouble in the second ODI, Bangladesh cruising at 105-1 in their chase of 252.

But a middle-order collapse, started by a run out, saw the Black Caps close out their victory.

"We know we need to keep taking wickets," Southee said ahead of the third and final ODI against Bangladesh on Saturday.

"We know [they were] sitting at 100-1, probably in the box seat, and then the run out was a massive turning point for us.

"Then, we were able to keep attacking and keep taking wickets at regular intervals, which we know works for us in one-day cricket."