Phosphate, potash are critical minerals, Fertilizer Institute testifies TOPICS:fertilizerNPK Posted By: Ken McEntee June 10, 2024 Phosphate and potash should be included on the U.S. Geological… You must be a paid subscriber and logged in to view this content. To view this post, please go to the top menu and log in if you're a subscriber, or subscribe if you aren't. Please share this post to your social media