• Oksidi
  • Elementi
Ukupan dušik (N) 28%
Dušik N-NO3 4,0%
Dušik N-NH4C 5,0%
Dušikova urea (Ur-N) 19,0%
Pentoksid P2R5 5%
Topivost (P205) 3,7%
Kalijev oksid (K20) 5%
Topivost (K20 5,0%
Fe 0,50%
Ukupan dušik (N) 28%
Dušikov nitrat (N03-N) 4,0%
Amonijev dušik (NH4-N) 5,0%
Dušikova urea (Ur-N) 19,0%
Fosfor (P) 2,2%
Topivo 1,6%
Kalij (K) 4,1%
Topivo 4,1%
Fe 0,50%



5-6 Mjeseci

Veličina granule


Avg Granule Size (mm)


Avg Recommended Rate

45 g/m²

Product Dispersal

10 days

Recommended Rate

35.00 - 55.00 g/m²

Turf Response

7 days

Sierrablen Sierrablen 28-5-5-Fe

Sierrablen 28-5-5-Fe


  • Advantages
  • Description
  • Directions for Use
  • Spreader Settings
  • Nutrition for entire growing season in only 1 application
  • Controlled Nitrogen release for 5 – 6 months constant growth
  • Nitrogen released only when growing conditions are good
  • Helps pre-stress condition of the plant
  • Controlled NPK, low Nitrogen give immediate response
  • Iron content enhances plant color
  • Can be used in low temperatures
  • Good for base feed at low rates
  • Can combine with other nutrients if needed

Sierrablen 28-5-5+Fe has enough Nitrogen content to promote continuous growth to the plant for 5 – 6 months. It contains a controlled release NPK and a low amount of readily available Nitrogen. This Nitrogen is only release during proper growing conditions; helping to pre-stress condition the plant.

Sierrablen 28-5-5+Fe can also be used as a base feed at low rates and is compatible with other nutrients. Additionally, it is equipped with Iron to enhance turfgrass color.

Directions for Use

Apply to dry foliage. Watering-in after application helps with product dispersion, gives a faster initial effect and limits traces of footprints. 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. If spilled on concrete, pavement, clothes, etc, immediately wash off as the product can cause discoloration.

Spreader Settings
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


Application rate g/m2


Rotary spreader

1x pass



T 1/2





SR-2000 or Accupro 2000

 2x pass




 O 1/2




Sierrablen 28-5-5+Fe provides sufficient nutrition for the entire main growing season in just a single application.

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