Soil Management Systems

"For all your soil and plant nutrition needs"

AMSUL

Ammonium Sulphate Descriptions:

Southern Grade: Grey white crystalline powder.
Western Grade: Semi Granulated 1 - 4mm

Chemical Analysis - PDF specification sheet 86.2KB

  • (NH4)2S04 99.60%
  • Sulphur 24.00%
  • Nitrogen 21.00%
  • Insoluble matter 0.02%
  • Acidity 0.05%
  • Moisture content 0.10%
  • Cadmium <5 ppm
  • Lead <5ppm

Physical Properties - Southern Grade
PDF specification sheet 88.8KB

Hygroscopic in nature so must be stored under cover and away from moisture to retain free-flowing characteristic. The product is likely to have lumps, which will break up relatively easily with a front-end loader. Must be broadcast to a width of 8m

Physical Properties - Western Grade
PDF specification sheet 88.8KB

Free flowing semi-granulated, no lumps - flows like ordinary fertiliser, can be stored in silos, augered & put through an air seeder. If spread, spreads to a width of 14-16m.

Stowage factor

1 tonne per cubic metre.

Associated benefits of SOA
  • Stability of SOA gives advantages to the farmer.
  • Reduction in volatilisation when compared to urea.
    Note: Wet calcareous soils are an exception.
  • Increased in time before incorporation.
  • Greater efficiency of nitrogen (N) uptake reflected in improved gross margins
  • 24% Sulphur

Volatility Graph

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