• oxide
  • elemental
Nitrogen Total (N) 15%
Nitrate nitrogen (N-NO3) 2.8%
Ammoniacal nitrogen (N-NH4) 4.0%
Urea nitrogen (Ur-N) 6.2%
Phosphorus Pentoxide (P205) 5%
Water soluble (P205) 3.7%
Potassium Oxide (K20) 22%
Water soluble (K20) 22.0%
Magnesium Oxide (MgO) 2.0%
Nitrogen Total (N) 15%
Nitrate nitrogen (N03-N) 2.8%
Ammoniacal nitrogen (NH4-N) 4.0%
Urea nitrogen (Ur-N) 6.2%
Phosphorus (P) 2.2%
Water soluble 1.6%
Potassium (K) 18.3%
Water soluble 18.3%
Magnesium (Mg) 1.2%


Granule size


Pack size

25 kg

Application rate

30 - 45g/m²

Pack coverage

556 - 833m²

Granule dispersal

7 days (visually dispersed from surface)


5+ Months

Turf response

7 days

SierrablenPlus Stress Control (5+M)

Stress Control (5+M)


  • Key points
  • Directions for use
  • Spreader settings
Key points
  • Fantastic for winter preparation
  • Delivers a full green sward in the spring
  • Controlled release nitrogen pre-stress conditions the plant
  • High potassium content toughens cell walls
  • Aids in plant’s water regulation
  • Magnesium content enhances colour, masks stress symptoms
  • Is more tolerable to temperature extremes
Directions for use
  • Apply to dry foliage
  • Watering-in after application helps with product dispersion and gives a faster initial effect
  • Avoid doing applications during frosty or drought conditions
  • Applications should be made after aeration programs like: hollow tining, sliting a/o scarification in order to prevent granule damage.


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 Settings PDF

Spreader type


Application method

Cone setting

Spreader width (m)

Application rate g/m2



Application rate g/m2


Application rate g/m2


Application rate g/m2



Rotary spreader (SR-2000 or Accupro 2000)

Full Rate

1x pass



 P  R  S  T

Rotary Spreader (SR-2000 or Accupro 2000)

Half Rate

 2x pass



 M   M 1/2  N  N 1/2 

Classic Drop Spreader

Full Rate

1x pass 



 -  6.75  -  4.75 


SierrablenPlus Stress Control (5+ months) is a classic turf hardener formulation, ideal for year round use.

Suggested period of use

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