US Dopers - how do you feel about Trump's threats to Canada?

[Johnny_L.A]

@Le_Ministre_de_l_au-dela

I just spotted an interesting statistic - "The U.S. relies on imports for over 95% of its potash fertilizer needs, with nearly 90% of that coming from Canada, according to data from the USDA.

Related FQ thread.

What the hell is "Potash?"

Inspired by this quote from the “Retaliatory Tariffs” thread in Politics and Elections: I’d read about potash in my geography textbooks in fifth grade, but I never got a clear idea of what it IS. I guess about fifty years or so ago, I decided that it was a fancy jargonalicious name for potassium. Please, can someone save me a trip to Wikipedia? I don’t have much appetite for another round of “WIKIPEDIA IS NOT FOR SALE” pledge requests. Not today. TIA ETA: Do a good job with this, and next we…