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Frequently Asked Questions

What is PHOSTONE™?

A granular struvite fertiliser supplying phosphorus, ammonium nitrogen and magnesium.

How is it different from conventional phosphate fertiliser?

PHOSTONE™ is sparingly soluble in water and releases nutrients more gradually than highly water-soluble phosphate fertilisers.

Can PHOSTONE™ replace all fertilisers?

No. It provides phosphorus, nitrogen and magnesium. A complete programme should reflect the crop, soil test and potassium or micronutrient requirements.

Which crops is it suitable for?

PHOSTONE™ may be suitable for cereals, maize, oil palm, sugarcane, horticulture, fruit trees and turf.

Can I reduce my phosphorus application rate?

Research indicates that struvite may support more efficient phosphorus use. Rates should always be determined through local agronomic advice and soil testing.

Is PHOSTONE™ environmentally responsible?

Its slow-release profile and recovered nutrient origin support more responsible phosphorus management. The benefits depend on correct application rate, timing and placement.

Questions or Consulting

We are committed to excellence in everything we do and look forward to working with you!

Shanghai Haijin Chemical Trading Co., Ltd.

Tel: +86-13917679217

Add: Floor 3, No.285, Lintao Road, Jiading District, Shanghai

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Floor 3, No.285, Lintao Road, Jiading District, Shanghai

+86-13917679217

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