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Naturally occurring, four-in-one fertilizer, sustainably mined and produced exclusively by ICL

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Looking for expert advice on your nutrition plan?

Polysulphate Granular fertilizer provides sulfur, potassium, magnesium, and calcium—four essential macro-nutrients required for optimal plant growth.

Highly soluble and easy to blend and apply, Polysulphate is a smart and cost-effective alternative to gypsum. A naturally occurring sulfate-based multi-nutrient, it provides a season-long source of plant-available nutrients. Low chloride and salt indexes, along with neutral pH, make it a safe choice for sensitive crops.

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Benefits

  • Naturally low salinity levels and extended nutrient delivery reduce the risk of crop injury

  • pH neutral— Like gypsum, Polysulphate provides essential nutrients without affecting the growing media pH

  • Superior to gypsum for water supplies high in sodium and calcium, but low in magnesium

  • Plant-available nutrients in sulphate form

  • Compatible with most other fertilizers and can be incorporated in pre-mix potting soil

  • No special equipment needed

  • Low carbon footprint

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