Idron NPK 20-20-20 + OE
Balanced water-soluble NPK for fertigation

Idron NPK 20-20-20 + OE

Idron NPK 20-20-20 + TE is a balanced water-soluble NPK fertiliser for fertigation of all crops. Nitrogen, phosphorus and potash are supplied in equal parts, together with trace elements, several of them EDTA-chelated. Like the whole Idron range, it is low in chlorine (L.C.C.) and dissolves without sedimentation or clogging of emitters.

  • Balanced 20-20-20 formula, for overall crop nutrition
  • Nitrogen in three forms: nitric (5.5%), ammoniacal (3.5%) and ureic (11%)
  • EDTA-chelated trace elements (iron, manganese, zinc, copper) plus boron and molybdenum
  • Low chlorine content (L.C.C.)
  • Acidic solution: pH 3.68 at 1% and conductivity of 740 µS/cm at 1‰
  • Fertigation without sedimentation or clogging of emitters
Download 2026 Catalogue

How to use

Form: Water-soluble powder

Application: Fertigation, 25–50 kg/ha per application; indicative rates, to be adapted to the crop, growth stage and water analysis

Crops: All crops, including hydroponics

Crop / UseApplication rate
Fertigation – all crops25–50 kg/ha per application

Product composition

Total nitrogen (N)
20%
of which nitric nitrogen
5.5%
of which ammoniacal nitrogen
3.5%
of which ureic nitrogen
11%
Phosphorus pentoxide (P₂O₅)
20%
Potassium oxide (K₂O)
20%
Boron (B)
0.01%
Copper (Cu) EDTA-chelated
0.002%
Iron (Fe) EDTA-chelated
0.02%
Manganese (Mn) EDTA-chelated
0.01%
Molybdenum (Mo)
0.001%
Zinc (Zn) EDTA-chelated
0.002%
pH (1% solution)
3.68
Conductivity (1‰)
740 µS/cm

Our Catalogue

Product catalogue 2026
Catalogue

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