Fall is the season of change and never more so than at the Illinois Department of Agriculture, where after nine months of service, former Director Philip Nelson was asked to resign in late September by Gov. Bruce Rauner. Illinois State Fair manager Patrick Buchen resigned in solidarity.

Here's a look at what we've written as the story unfolded:

Illinois Agriculture director, state fair manager resign: Illinois Gov. Bruce Rauner accepts resignations of Philip Nelson and Patrick Buchen late Thursday, but leaves questions unanswered.

STATE FAIR DAYS: Gov. Bruce Rauner and former Illinois Ag Director Philip Nelson watch youth show their animals at the 2015 fair. Nelson resigned from the post in September.

Philip Nelson: 'I'm still a farmer, still involved': Former Illinois Agriculture Department Director Philip Nelson shares thoughts on his resignation and what's next for ag in the state.

The job that needed him: Blog commentary.

Illinois Farm Bureau requests meeting with governor: Governor's office responds with tentative date; IFB searching for answers on governor's new direction for Illinois agriculture.

Sullivan pushes governor for IL Department of Agriculture answers: Senator says resignation claim regarding state fair manager and agriculture director is laughable and awaits answers from governor's office.

Sullivan: Governor's response on IDOA issues 'not satisfactory': Illinois Sen. John Sullivan, D-Rushville, has received word from the governor's office regarding his October letter asking for answers to the questions surrounding the Illinois Department of Ag and the departures of Illinois Ag Director Philip Nelson and State Fair Manager Patrick Buchen.

Governor's office listening on IDOA issues, but still not talking: Governor's office suggests another farmer could be hired for Illinois Ag Director position; IFB leadership says governors' staff wants to 'move on.'

Raymond Poe named new Illinois Director of Agriculture: Illinois Rep. Raymond Poe, R-Springfield, has been named the new director of the Illinois Department of Agriculture.

Poe says he'll continue Illinois Department of Ag initiatives: New Illinois Department of Agriculture Director Raymond Poe discusses independent voting record, ag roots.

How Poe can win back Illinois agriculture: What will new Ag Director Raymond Poe do at IDOA? How does he feel about concerns that he'll be the governor's yes man?

Sullivan promises 'frank discussion' on IDOA: Sen. John Sullivan says Raymond Poe confirmation hearings will include questions regarding IDOA future, resignations and more.

Prior coverage of the Illinois State Fair:

All ag at the Illinois State Fair: print story from the August issue
See You at the Fair: Ag is back, baby!
See You at the Fair: Everybody gets to show (next year)
See You at the Fair: How stuff gets done
See You at the Fair: Governor says

Bonus content

If you think Indiana agriculture has challenges, take a look at Illinois: Commentary from Prairie Farmer sister publication, Indiana Prairie Farmer