
Yara's Crop Nutrition podcast · Yara
Ashes to Agriculture: The Ancient Roots of Potash
·47 min·2 clips
The first potash mine opened in Stassfurt, Germany in 1861 - the potash in the earth's crust comes from ancient oceans that evaporated and left behind salts buried 2,000 feet underground.
As heard by us
A grounded look at potash that ties chemistry, geology, and farm supply together.
This episode treats potash as more than a commodity. Dr. David Ciceri and Rob Mickelson walk through where potassium salts come from, how brines and solution mining work, and why wartime supply shocks pushed North America to look harder at its own sources.
Why you'd press play
You want the backstory behind how potash sources were found and extracted.
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