Placing a park permanently destroys reported honey bonus even after moving the park

[Ranamar]

Here’s a picture of the middle of a farm reporting 0 honey bonus while growing clover:

The park you see there used to be where the farm is now.

It persists through saves, so I can provide one if you want it.

[Stonemason]

Yes, something affected the fertility of one of my fields and it never increased even after infinity fertilizer dumps.