Crop Fertility

Discover the ProGro Water™ Soluble Fertilizer line

Royal Brinkman offers the highest quality water-soluble, controlled release, and foliar fertilizers. Our Account Managers and Agronomy Specialists develop custom plans based on the unique and changing needs of a crop, using sampling and analysis of water, tissue, soil, sap, and nutrient solutions.


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Our ProGro™ Water Soluble NPK plus micros fertilizers are manufactured from the highest quality raw materials. Standard or custom formulations are available. Custom blend formulations can be tailored to your crops’ specific requirements and made just-in-time to accommodate the changing needs of your crop.

Check  Extremely water soluble
  No residues; no settling out in tanks or irrigation lines
  Pre-mixed standard and custom formulations
  Micros included for complete plant nutrition
  Chelated micros for best delivery of nutrients over a range of pH’s
  Available in heavy-gauge 15 kg bags, BULK SACKS and returnable TOTES


Order custom fertilizer 

ProGro water soluble fertilizer


Micronutrients available include:

  • Boron
  • Copper Chelate EDTA 15%
  • Copper Sulphate 25%
  • Iron Chelate
  • Iron Chelate EDTA 13% – 25 kg
  • Iron DTPA 6% Liquid – 250 kg
  • Iron Sulphate
  • Magnesium Chelate EDTA 6% & 13%
  • Manganese Sulphate 31% MN
  • Sodium Molybdate 46%
  • Zinc Chelate EDTA 15% – 25 kg
  • Zinc Sulphate 35.5% – 22.68 kg


Straight fertilizers available include:

  • Ammonium nitrate
  • Calcium nitrate & Calcium nitrate (ammonium free)
  • Magnesium Nitrate
  • Magnesium Sulphate 9% MG (Epsom Salt)
  • MKP (Mono Potassium Phosphate)
  • Mono Ammonium Phosphate (MAP)
  • PeKacid
  • Potassium Chloride (Muriate of Potash Soluble)
  • Potassium Nitrate (GH grade)
  • Potassium Sulphate (Sulphate of Potash Soluble)
  • Urea 46-0-0


For a complete list of straights, micronutrients, and water soluble formulations, please contact us. We’re here to help!

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