BENEFITS

  • Ultimate Tank-Mix Compatibility: Easily blends with Macro/Micro nutrients (NPK+TE), pesticides, and growth regulators without reacting or clogging nozzles.

  • Superior Hard Water Resistance: With a resistance limit of $350\text{mg/L}$, it remains fully active and dissolved in hard water areas, protecting your irrigation investment.

  • High Bio-availability: The small molecular structure allows for rapid penetration of plant cell membranes, ensuring faster nutrient uptake and visible crop improvement.

  • Global Quality Assurance: Produced by JINGFENG with EU REACH and CERES certifications, meeting the strictest international agricultural standards.

Mineral Source Potassium Fulvate Powder Ι TECHNICAL DETAILS

SpecificationStandard
Organic Matter (Dry Basis)*160.0% min
Humic Acid (Dry Basis)*2/*350.0% min
Fulvic Acid (Dry Basis)*250.0% min
K2O (Dry Basis)12.0% min
Organic Carbon (Dry Basis)*425.0% min
Solubility100%
Cation Exchange Capacity (CEC)≥350 meq/100g
Fineness80-100mesh
Moisture Content12.0% max
pH (1% Aqueous Suspension)9-10
Heavy Metal Limits (Dry Basis)Pb ≤10 mg/kg; Cd ≤3 mg/kg; As ≤5 mg/kg

*1 NY525-2012 (The standards of the Ministry of Agriculture of China for organic matter detection)
*2 HGT5334-2018 Analysis method
*3 ISO19822 / GBT33804-2025 / HPTA / AAPFCO / IHSS Analysis method
*4 HJ615 Analysis method

RECOMMENDED APPLICATIONS

Crops

Vegetables

Fruit Trees

Application MethodRecommended DosageFrequency
Drip Irrigation3 – 5kg/haApply every 10-14 days during the growth stage.
Foliar Spray1:1500 – 2000 DilutionSpray at early flowering and fruit expansion stages.
Liquid Fertilizer Production5%-10% of total weightMix with NPK or Urea to create premium functional fertilizers.
Granular Fertilizer Blending5%-10% of total weightMix with NPK or Urea to create premium functional fertilizers.

*Usage Notes

  • Always add the powder to water (never water to powder!) and stir immediately.
  • Dilute first before application, ensure uniform spraying/dripping.

Mineral Source Potassium Fulvate Powder Ι PACKAGING & STORAGE

1kg bag

5-25kg bag​

Jumbo bag

We offer a range of standard packaging solutions: 1kg, 5kg, 10kg, 20kg bags, 25kg bags, jumbo bags.Custom packaging services are also available. Our team will provide tailored recommendations based on your specific requirements to ensure proper storage and transportation, maintaining product integrity throughout the process.

Storage Instructions

  • Store in a dry, well-ventilated, and rainproof warehouse.
  • Keep the package tightly sealed after use to prevent moisture absorption and clumping.
  • Avoid direct sunlight, high temperature.

Mineral Source potassium fulvate powder Ι

Send Your Inquiry Now Free consultation

Fill in the form below to book a 30 min no-obligation consulting session.

We’ll contact you soon—thank you for your patience! :

  • Americas: Within 12 business hours
  • Asia Pacific, Europe, Africa, Middle East: Within 1-2 business hours