What explains Hillary's collapse in agricultural/farming areas?

[🦀🎂🦀🎂]

2016 was a terrible year for farmers. This is probably the worst period they've had since the 1980s.

http://agfax.com/2016/04/04/farm-crisis-iowa-land-values-drop-6-in-6-months-bankers-watching/

http://www.crestonnews.com/2016/08/15/what-is-to-be-done-farm-crisis-in-the-making/acnspon/

says a lot about the standards of this forum that this eminently sensible and empathetic answer was lost in the blather.

Anyway, farmers themselves (although they aren't hugely representative of their communities) are overwhelmingly Republican and were uniformally despondent in 2016:

https://www.agri-pulse.com/ext/resources/pdfs/a/p/_/t/s/AP_Oct_2016_Producer_Survey_Results.pdf

It would be quite interesting to see the results of farm workers (although only half of agricultural workers are citizens).