What Makes Potassium Humate a Premium Soil Conditioner and Plant Growth Enhancer?

2025-08-15 09:17

Technical Introduction

Potassium humate is the potassium salt of humic acid, produced from high-grade leonardite or lignite through alkaline extraction.
It combines high humic acid content with potassium (K₂O), making it both a soil conditioner and a plant nutrient source.
Its 100% water solubility and strong chelating ability make it ideal for fertigation, foliar spraying, and direct soil application in modern agriculture.


Applications

1. Soil Health Improvement

  • Enhances cation exchange capacity (CEC) for better nutrient retention.

  • Improves soil structure, aeration, and water-holding capacity.

2. Fertilizer Efficiency Booster

  • Chelates trace elements (Fe, Zn, Cu, Mn) for better plant availability.

  • Reduces leaching losses of nitrogen and potassium.

3. Crop Growth Stimulation

  • Promotes root elongation and lateral root development.

  • Enhances chlorophyll synthesis, boosting photosynthesis.

4. Stress Resistance

  • Improves plant tolerance to drought, salinity, and temperature stress.

5. Hydroponics & Drip Irrigation

  • Keeps nutrients soluble and prevents precipitation in solution.


Advantages

  • Dual Benefit: Supplies organic humic acid and potassium together.

  • High Solubility: Easy application in irrigation or foliar sprays.

  • Eco-Friendly: Natural, biodegradable, and safe for long-term soil use.

  • Fertilizer Synergy: Works with NPK and trace element fertilizers.

  • Yield & Quality Improvement: Enhances crop productivity and quality.


Typical Parameters

PropertyValue
SourceLeonardite / lignite
Humic Acid Content≥ 60% (dry basis)
K₂O Content8–12%
Solubility100% in water
pH (1% solution)9.0 – 11.0
AppearanceShiny black flakes or powder
Moisture≤ 10%
Shelf Life2 years

FAQs

Q1: How is potassium humate different from humic acid sodium salt?
A1: Potassium humate provides essential potassium along with humic acids, while sodium humate is used mainly for soil structure improvement and certain feed applications.

Q2: Can it be used with all fertilizers?
A2: Yes, it is compatible with most fertilizers and pesticides, except strong acids.

Q3: Is it suitable for organic farming?
A3: Yes, if sourced from natural leonardite and processed without synthetic chemicals.

Q4: Can it be applied via foliar spray?
A4: Yes, it is highly effective when absorbed through leaves, especially during growth stages.

Q5: Does it improve crop yield?
A5: Yes, by enhancing nutrient uptake, photosynthesis, and stress resistance.

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