• elemental
Nitrogen Total (N) 6%
Ureaformaldehyde (MU-N) 5.3%
Phosphorus (P) 0%
Potassium (K) 22.4%
Water soluble 22.4%
Magnesium (Mg) 1.2%
Iron (Fe) 0.70%
Manganese (Mn) 0.10%
Copper (Cu) 0.020%
Molybdenum (Mo) 0.001%
Zinc (Zn) 0.020%



8-10 Weeks

Granule size


Avg Recommended Rate

25 g/m²

Recommended Rate

20.00 - 30.00 g/m²

Sierraform GT K-Step



  • Advantages
  • Description
  • Directions for use
  • Spreader settings
  • Perfect as a pre-stress conditioner
  • Low Nitrogen for compact growth and turf hardening
  • High Potassium for stressful summer and winter conditions
  • Full trace element package for overall turf health
  • Contains Magnesium for turf color and mask stress symptoms
  • Aids with soil Phosphate buildup

SierraformGT K-Step 6-0-27+MgO is a NPK fertilizer that contains ICL's patented MU2 and SilK technologies. It has a low Nitrogen content to stimulate compact growth and to harden the turf.

It contains high amounts of Potassium which also harden the turf in stressful summer or winter conditions. It has a full trace element package, and is ideal for use as a pre-stress conditioner on fine turf areas. The Phosphate free formulation assists with managing any Phosphorous buildup.

Directions for use

Apply to dry foliage. Water if no rain has fallen 1 – 2 days after applications. Irrigation will aid in dispersion and limit risk of mower pick-up on low cut surfaces.

Delay any vertical cutting a/o grooming until 3 days after application; allows granules to properly disperse. The Nitrogen release is significantly lessened when soil temperatures are below 10ºC.

Contains Iron:
Do not apply in case of risk of contact with concrete, marble, stone, fabric, swimming pool, ... - If spilt on paving slabs, concrete, clothes etc. brush off immediately, as product may cause discolorations

Spreader settings
Spreader type

Application method

Cone setting

Spreader width (m)

Application rate g/m2


Application rate g/m2


Application rate g/m2


Rotary spreader

1x pass





 M 1/2

SR-2000 or Accupro 2000

 2x pass



 I 1/2

 J 1/2


Drop Spreader

1x pass 







2x pass 






SierraformGT K-Step 6-0-27+MgO (6 – 8 weeks) contains both slow release Nitrogen and slow release Potassium, along with conventional release NPK in a single compound micro-granule.

Suggested period of use

  • Jan
  • Feb
  • Mar
  • Apr
  • May
  • Jun
  • Jul
  • Aug
  • Sep
  • Oct
  • Nov
  • Dec