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Potassium Humate (HAK)
Specification
Appearance | Black Powder/Flakes |
Water Solubility | 100% |
Total Humic Acid | 65% |
Fulvic Acid | 15% |
K2O | 12% |
pH | 8-11 |
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Core Nutrient & Component Functions
• Potassium (K2O content 8%-12%): Supplies readily available potassium to regulate crop water balance, strengthen stress resistance (drought, lodging, diseases), and improve fruit quality.
• Humic Acids (60%-80%): The key organic component, including fulvic acid and humic acid, which chelate nutrients, stimulate root growth, and improve soil structure.
• Synergistic effects: Humic acids promote potassium absorption, reduce nutrient leaching, and activate beneficial soil microorganisms.
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Key Agricultural Advantages
• Soil improvement: Loosens compacted soil, enhances water retention and aeration, and balances soil pH (suitable for acidic, neutral, and alkaline soils).
• Nutrient efficiency enhancement: Chelates macro/micronutrients (N, P, Zn, Fe), making them more available to crops and reducing fertilizer waste.
• Crop stress tolerance: Boosts drought resistance by improving root water uptake, and enhances cold/flood tolerance through stronger cell structure.
• Yield & quality improvement: Increases fruit setting rate, enhances coloring and sugar content, and extends crop shelf life.
• Eco-friendly: Reduces chemical fertilizer usage (by 15%-30%), minimizes soil pollution, and promotes sustainable farming.
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Suitable Crops & Application Scenarios
• Universal applicability: Ideal for cereals (wheat, corn, rice), cash crops (fruits, vegetables, cotton), oilseeds (soybean, rape), and horticultural plants.
• High-value scenarios: Saline-alkali soils (ameliorates salinity), degraded soils (restores fertility), and stress-prone areas (drought, cold regions).
• Critical growth stages: Seedling establishment (root development), flowering/fruit setting, and fruit expansion.
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Application Recommendations
• Base application: Apply 5-10 kg per mu, mixed with organic fertilizer or chemical fertilizers. Plow into the soil before sowing/transplanting.
• Topdressing: Apply 3-5 kg per mu during key stages (e.g., wheat tillering, tomato fruit expansion), broadcast or furrow-applied.
• Foliar spraying: Dilute to 0.1%-0.3% concentration. Spray 2-3 times during seedling, flowering, or fruit stages, with 7-10 days interval.
• Drip irrigation/fertigation: Dilute to 0.2%-0.5% solution, apply 2-3 kg per mu per application, split into 3-4 times for uniform absorption.
• Seed soaking: Dilute to 0.05%-0.1% solution, soak seeds for 6-12 hours to improve germination rate and seedling vigor.
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Notes for Use
• Avoid mixing with strong acidic fertilizers/pesticides to prevent flocculation and reduced effectiveness.
• For saline-alkali soils, increase application frequency (4-5 times per season) to enhance soil remediation.
• Use with chemical fertilizers (N, P, K) for synergistic effects—reduce chemical fertilizer dosage by 15%-20% to avoid over-fertilization.
• Store in a cool, dry place, sealed tightly to prevent moisture absorption and caking.