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The Polysulphate Advantage

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Polysulphate Potato Overview

  • Balanced Nutrients - Natural multi-nutrient mineral; composed of sulfur-based potassium, magnesium and calcium (polyhalite)
  • Safe - Low chloride, very low Salt Index, neutral pH, no liming effect
  • Season-Long Release - Unique release pattern aligns with crop demand ensuring nutrient availability during critical development periods
  • Nourishes Soil - Helps improve nutrient efficiency, soil structure, root development, water infiltration, and seed emergence
  • OMRI Approved - Naturally-mined mineral (polyhalite)

Polysulphate is a natural fit for high-quality potatoes. 
Low-chloride Polysulphate® is a sulfur-based source of soluble potassium, magnesium and calcium. It's unique release rate supplies balanced nutrients on demand to ensure a healthier and more productive crop.

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Polysulphate Spec Sheet

Poly Crop Page Potato

Sale Sheet USA 2021 Potato

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  • Versatile - Proven results across a variety of crops and soil types
  • Flexible Application - Excellent spreadability when applied via broadcast, or put in a band for precision application
  • High Blendability - Well suited for blending with most conventional fertilizers
  • Uniform - High uniformity and density, with low hygroscopicity
  • Superior Distribution - Every Polysulphate granule contains 4 essential nutrients for uniform coverage

Fertilizing Potatoes with Polysulphate

  • Recommended Rate 200-400 lbs./acre is recommended for potatoes. 
  • Flexible Application Apply as a pre-plant, at planting or during hilling.
  • Season-Long Availability The prolonged release characteristic of Polysulphate means that four essential nutrients will be available to the crop during periods of peak demand. Can be blended with SOP or MOP for an added source of quick-release K.

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ICL is the first – and only – producer in the world to mine polyhalite, marketed as Polysulphate.

ICL 2022, all rights reserved © 2022 

Contact ICL

Please contact Mike Charles
mike.charles@icl-group.com
520-208-7005


Polysulphate: Proven in Potatoes

✓ Increase marketable and total yields
✓ Improve nitrogen use efficiency
✓ Achieve higher quality: 

  • Reduced hollow heart 
  • Good skin quality 
  • Improved storability
  • Better fry quality
  • Increased dry matter
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Season-Long Release to Meet Peak Demand


Connect with our agronomist and team of product experts to learn more about our latest research trials.

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