There's belief state-owned enterprises need to go back to basics in order to up their game.

New Treasury documents show the Government's told New Zealand Post and Landcorp it's not impressed with their recent performance.

Simeon Brown - the Minister responsible for State-Owned Enterprises - has told them to deliver bold turnaround plans.

Northland MP Grant McCallum says Lancorp's lost its purpose.

He says previous leadership and ministers haven't helped - but rather, encouraged a move away from the basics of New Zealand farming.

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