November's collections put the state nearly $150 million below target through five months of the fiscal year.
January’s Indiana tax collections dipped just below expected levels for the first time in three months.
State tax revenue and individual income tax revenues were up, while corporate income tax collections were down since last April.
If it’s not renewed, companies that own those farms will have to pay more in corporate income taxes.
The former "Survivor" candidate faces Republican Mike Pence and Democrat John Gregg in his run for governor.
The Democratic gubernatorial candidate says eliminating the tax would attract businesses to the state.