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November 24, 2022
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![Polyhalite is a naturally occurring evaporite mineral composed of potassium (K), calcium (Ca), magnesium (Mg), and sulfur (S) in sulfate form [K₂Ca₂Mg(SO₄)₄·2H₂O].](/files/styles/4_3_md/public/images/publications/crops-and-soils/2026/april/polyhalite-lead-1200.jpg.webp?itok=NNIDUkoz)
Text © . The authors. CC BY-NC-ND 4.0. Except where otherwise noted, images are subject to copyright. Any reuse without express permission from the copyright owner is prohibited.