Market Prices Drop
This year’s harvest has been alright, but a drop in global market prices has forced everybody in your part of the world to accept ridiculously low prices for their goods.
Yield on crops and livestock are very low this year.
For game balancing reasons, this event is more likely to happen when the player is otherwise performing well and making a profit.
Reuters article about global market price affecting smallhold farmers:
“World Commodity Prices and their Impact on Developing Countries”, 2002, ODI.org: