• óxido
Nitrógeno Total (N) 21%
Nitrógeno nítrico (N-NO3) 12,7%
Nitrógeno amoniacal (N-NH4) 7,2%
Nitrógeno ureico (N-Ur) 1,1%
Pentóxido de fósforo (P205) 5%
Óxido de potasio (K20) 20%
Hierro (Fe) 0,11%
Quelatado por EDTA 0,11%
Manganeso (Mn) 0,05%
Soluble en agua 0,05%
Cobre (Cu) 0,026%
Soluble en agua 0,026%
Molibdeno (Mo) 0,011%
Zinc (Zn) 0,053%
Soluble en agua 0,053%

Product Code


Peters Excel® 21-5-20 Multi Purpose No Boron

21-5-20 Multi Purpose No Boron


  • Advantages
  • Directions for use
  • Suggested Application Rates

Moderately acidic formulation serves as an excellent all-purpose fertilizer for Types 2, 3 and 4 irrigation water.

  • B (Base) formulation can be used alone or rotated with a C (Customizing) component
  • Appropriate for Water Types 2, 3 and 4
  • Contains a complete range of essential micronutrients
  • No boron
Directions for use
  • Verify your product analysis and rate for your plants in your production system. For further guidance contact your local ICL Specialty Fertilizer Territory Manager or call ICL Specialty Fertilizer Customer Service at 800-492-8255.
  • Rate tables are printed on bag labels and can be found on product information sheets as well as on www.icl-sf.com.
  • Irrigation frequency and volume should be adjusted during the crop production cycle according to crop type, environmental conditions and desired soluble salt levels.
  • Constant feeding with your irrigation is our normal recommendation for feeding with water soluble fertilizers.
  • A product trial is recommended before adopting a new fertilizer program or making full-scale changes to standard cultural practices. Test several rates on representative plant types.
  • Product storage: Store in a clean, cool, dry place.  Re-seal opened bags by folding top down and securing.
Suggested Application Rates


Weight (In Ounces) Of Product Needed To Mix One U.S. Gallon Of Concentrate

Target Fertilizer
Concentration (ppm N)
After Dilution

Injector Ratios

EC mmhos/cm of
Target Feed Rate After Dilution

1:15 1:100 1:200
50 0.5 3.2 6.4 0.32
100 1.0 6.4 12.9 0.63
200 1.9 12.9 25.7 1.26
300 2.9 19.3 38.6 1.89


Gallons Of Water Required To Dissolve One 25 Lb Bag Of Fertilizer

Target Fertilizer Concentration
(ppm N) After Dilution

Injector Ratios
1:100 1:200
50 124.4 62.2
100 62.2 31.1
200 31.1 15.6
300 20.7 10.4

For a complete list of target concentrations (ppm N), please refer to the Product Information Sheet.

Mixing for watering cans, spray tanks (no injectors)

Amount of Fertilizer       +       Amount of water (gallons)  =       Approximate ppm N
1 tsp. 1 320
1 tbsp. 2 480
1 cup 25 614


Click for Product Sheet

A one bag solution with a patented technology to counter high alkalinity in irrigation water.