Supa Kieserite®

Our Supa Kieserite® is a granulated compound fertiliser which is ideal for crops with an immediate magnesium requirement. It contains 27MgO Magnesium and 50%SO3. It is a fast acting water soluble fertiliser which is available to plants at all PH's. 


Composition: 27MgO 50SO3
Particle Size: 2-4 mm


Available in Bulk, 600kg or 1000kg bags.

SCS Spreader Test Results

We have commissioned SCS Spreader & Sprayer Testing Ltd to perform spreader calibrations on our Supa Kieserite. This has been tested on a Amazone ZAM Ultra, Kuhn Axis 30.1 and KRM M2 to spread widths of 24m and 36m.

Please use the below as a guide. We advise you to contact your spreader manufacturer or SCS to set up your spreader prior to application. The settings provided in the table below are derived from practical tests in a field carried out by SCS Spreader & Sprayer Testing Ltd.

Fertiliser Analysis

Bulk Density (kg/l) 1.11      
Strength (kg) 9.8      
Size Analysis (mm) 0 -2 2 - 3.3  3.3 - 4.75  > 4.75
Average 0 12 70 18

Spread Settings

Machine Disc/Vane Type Spreader Height/Tilt Speed Type PTO/Disc Speed Spread Width Spread Setting
Amazone ZAM Ultra OM 24-48 80 PTO 720 24m 12/44
  OM 24-48 80 PTO 720 36m 16/52
Kuhn Axis 30.1 S4 60 PTO 540 24m 5
  S6 60 PTO 540 24m 4
  A8 60 PTO 540 36m 6.5
KRM M2 E2T 75 +6* PTO 540 24m Pos 1&2
  E8T 76 +6* PTO 650 36m Pos 1&2


Diamond Fertilisers are proud to introduce N-Shield using the most effective urease inhibitor Limus® by BASF

Fertiliser Enquiries

If you have any fertiliser enquiries please contact your local merchant or farm trader.


Or call 01652 652933

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