Zardasht Controlled Release Fertilizer 21-5-10 (Fall Field)

Guaranteed content (wt%)Nutrients
21Total nitrogen (N)
5 – 6Released nitrogen after 24 h
6 – 7Released nitrogen after a week
5Available phosphorus pentoxide (P2O5)
10Water-soluble potassium oxide (K2O)
0.8Water-soluble magnesium
0.16Chelated iron by EDTA

This fertilizer is a combination of controlled release nitrogen, potassium, phosphorus, chelated iron and magnesium, which is designed to improve plant photosynthesis and maximize plant yield in autumn. This fertilizer gradually releases sufficient nitrogen for root development and protects plants from winter damage by reducing consumption of nitrogen per hectare. It is a homogenous granular fertilizer which contains precisely a balanced ratio of nutrients needed by the plant.

Applications and usage

  • This water-insoluble granular fertilizer is suitable for all types of agricultural and horticultural plants in autumn.
  • It should be placed under the surface at about 2 – 5 cm.
  • Application rates are for guidance only. Actual rates will vary with local growing conditions, soil analysis and plant’s age.
  • It is compatible with most types of fertilizers and pesticides.
Period of application  Application dosage
Application dosage
Type of vegetation
Fall season 8 120 – 100 New transplants
Fall season 15 220 – 200 1-year-old trees
Fall season 25 420 – 400 3-year-old trees
Cultivation bed 200 – 150 Farming plants
Cultivation bed 200 – 150  Ornamental plants

Storage life

2 years at 25 °C

(Keep in a cool and dry place away from direct sunlight.)


Keep out of reach of children and away from food, drink and animal foodstuffs.

Registration number



25 kg bags