The reviews are in

Bruce Johnstone:

A nightmare is another way of describing the sickening feeling of seeing $1.9 billion in projected revenues plummet by two-thirds to $638 million in the first quarter, then plunge another 83 per cent to $109 million by mid-term.

A sickening slide also describes what happened to the finance ministry's projected potash production, which fell 62 per cent to 4.4 million tonnes, the lowest level in 37 years.

The ministry's miscalculation on potash shaved two percentage points off the province's projected economic growth of 2.1 per cent in the 2009-10 budget. Economic growth is now expected to come in at negative 2.9 per cent -- a full five-percentage-point drop from the budget projection.

For its part, the NDP Opposition called Gantefoer's gaffe "the biggest example of fiscal incompetence in the history of Saskatchewan." In absolute dollar terms, it may be.
...
At the time, then-NDP finance critic Harry Van Mulligen warned production cuts announced by potash companies could easily derail the budget's revenue and economic projections.

"Bottom line," Van Mulligen said, "shaky economic and revenue assumptions, plus runaway spending, equals a potential fiscal trainwreck."

As it turns out, Van Mulligen was remarkably prescient, unlike his counterpart in the government benches.