Black Granular Potassium Humate Granules Soluble in Water with 5-6mm Particle Size for Nutritional Supplement

Our Soilhum-K potassium humate particles are extracted from weathered coal through a specialized manufacturing process. The production begins with crushing the weathered coal, followed by mixing with NaOH solution and complete reaction in reaction tanks to generate sodium humate. The reaction solution undergoes precipitation to remove unreacted impurities, then drying to produce sodium humate black powder.

This powder is processed through extrusion granulators where sodium humate particles are formed under mechanical pressure. After drying, vibrating screening, and grading, the final product is packaged. The entire process is primarily physical processing, preserving the active ingredients of humic acid organic matter.

The product features black appearance, medium solubility, granular form, high hardness, and easy application. It is ideal for slow-release applications and offers excellent cost-effectiveness, making it suitable for use as a soil conditioner or industrial treatment agent in various applications.

• Base Application: Before sowing or planting, mix with organic fertilizer or chemical fertilizer and spread evenly on the soil surface, then plow into the soil. Alternatively, combine with furrow application or hole application near the crop root area.
• Topdressing: During crop growth period, dig a furrow near the root system and apply after covering with soil, or combine with irrigation and spread a small amount (avoid direct contact with the root system).
• Mixed Fertilizer Use: Can be mixed with granular compound fertilizer, microbial fertilizer, etc. to promote crop absorption of nutrients and improve fertilizer utilization rate.

• Field Crops (corn, wheat, etc.): Base application of 3,000-6,000 kg per hectare; topdressing of 1,500-3,000 kg per hectare during growth period.
• Fruit Trees and Vegetables: Base application of 1,500-3,000 kg per hectare during sapling/seedling stage; base application of 4,500-7,500 kg per hectare during mature stage, and topdressing of 3,000-4,500 kg per hectare during growth period.
• Soil Improvement: For poor or saline-alkali soils, initial application can be increased to 7,500-15,000 kg per hectare, with subsequent adjustments based on soil improvement conditions.