Technical Sheet

Spec Sheet - Agrisilica Granules 2-5mm - 251128

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Applies to Agrisilica Granules | Silicon Fertiliser

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Agrisilica - Granular Grade

Product Specification Sheet

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Physical Specification (Typical)

Property Value
Appearance Off White
Type Granular
Granule Size 2-5mm
Moisture <12%
Bulk Density Loose 900 g/L
Cationic Exchange Capacity > 30 cmol/kg
pH (1:5 water) 8.1

Chemical Specification (Typical)

Soluble Silicon (Si %) 26
Continuously Extractable Silicon %* 0.1
Nitrogen % 0.07 Iron % 1.3
Phosphorus % 0.02 Manganese mg/kg 219
Potassium % 0.08 Boron mg/kg <5
Sulphur % 0.09 Copper mg/kg 22
Calcium % 1.4 Zinc mg/kg 18
Magnesium % 1.1 Molybdenum mg/kg 2.1

*Measured by the calcium chloride extraction method, 1:100 extraction ratio. #Heavy metals are all well below the limits set by the Australian Certified Organic Standard.

Application Recommendations

Field crops, improved pasture, vines apply 150-300kg/ha. Vegetables, tree crops, strawberries, sugarcane, turf apply 300-600kg/ha. Annual Crops: Apply prior to or at seeding or soon after crop germination. Tree Crops and vines: Apply as 2 equal split applications, prior to the main growth periods

The figures presented in this Product Specification may vary. They are offered in good faith but may not be interpreted as a binding specification.


  • Listed by OMRI: Third party reviewer of inputs for organic use under the U.S National Organic Program
  • Accredited by FIFA: Fertiliser Industry Federation of Australia
  • Accredited: Product of Australia
  • Inspected by ECOCERT: SA F-32600 Product suitable for use in Organic Agriculture conforming to (CE) regulation n0 834/2007 and 889/2008
  • Certified by ACO: (Australian Organic) as an input into Organic Farming

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