Aussies have room for improvement, says coach

Australian coach Darren Lehmann believes his team still has plenty of room for improvement, despite easily beating New Zealand in the first Test at the Gabba.

Joe Burns and Nathan Lyon put down sharp chances, but Lehmann was still left disappointed by those, and his team's fielding in general.

Lehmann added his opening bowlers Mitchell Starc and Mitchell Johnson could bowl tighter lines with the new ball, after the Kiwi openers Tom Latham and Martin Guptill combined for 56 and 44-run partnerships in both innings.

"I was very disappointed with their fielding which they know about," Lehmann said.

"We've got to improve some areas of our game like with the new ball, but our fielding was a bit sloppy as well."

One thing Lehmann was happy with was the way captain Steve Smith - in charge of his first full series - handled the skipper role.

Smith showed a ruthless edge when he declared at 4-556 in the first innings, despite Adam Voges (83 not out) nearing a century in his first Test on Australian soil.

And the 26-year-old captain also had some stern words for Starc, after he gave away four runs for hurling the ball at Black Caps tailender Mark Craig in frustration, before picking up a $7725 fine from the ICC.

"I'm happy with it (Smith's captaincy), and I know the players are with the way he talks to them behind the scenes," Lehmann said.

Lehmann challenged his rebuilding team to maintain its momentum for the second Test at the WACA in Perth starting Friday.

That is because Western Australian batsmen Cameron Bancroft and Shaun Marsh are just two pushing for spots in the team.

"You look at the guys who missed out in the top six, someone like Bancroft who got a great hundred (against South Australia), and Shaun Marsh," Lehmann said.

"We feel if he (Marsh) gets his chance in Perth, great. If he misses out again, that's the way it is at the moment."

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