Hot Sales ProductModel: DUOFEN

Liquid Potassium Humate Fertilizer Manufacturer | 100% Water Soluble

Liquid potassium humate fertilizer is a fast-acting, organic humic acid fertilizer used to improve nutrient uptake, soil condition, and crop vigor in modern agriculture. Manufactured in Shandong, China, this 100% water-soluble black liquid fertilizer is suitable for bulk B2B supply, supports custom packaging, and is backed by COA, MSDS, and TDS documentation for import, distribution, and agricultural procurement.

Supply TypeMOQ: 25 tons
ServiceOEM / Customization
DocumentationCOA & MSDS
  • Organic liquid humic acid fertilizer for agriculture, crop nutrition, and soil conditioning applications
  • 100% water-soluble black liquid formula with quick-release performance for efficient fertigation and spraying
  • Manufacturer supply from Shandong, China with B2B bulk order support, MOQ options, and export documentation
  • Quality assurance available with COA, MSDS, and TDS for importer review, distributor onboarding, and compliance checks
PRODUCT DATA

Technical Specifications

MF
Organic Soluble Fertilizer Humic Acid Fertilizer
MOQ
2000L
Type
Humic Acid
Grade
Agriculture Level
State
Liquid
Usage
AGRICULTURAL USAGE
Purity
100%
CAS No.
Organic Soluble Fertilizer Humic Acid Fertilizer
Package
1kg/5kg/10kg
DELIVERY
30-40 Days
Appearance
Black
Applied to
Crops Etc.)
Brand Name
duofen
EINECS No.
Organic Soluble Fertilizer Humic Acid Fertilizer
Application
agriculture
Certificate
COA MSDS TDS
Other Names
Organic Soluble Fertilizer Humic Acid Fertilizer
Product Name
Organic Soluble Fertilizer Humic Acid Fertilizer
Release Type
Quick
Selling Units
Multiple of 5 items
Classification
Organic Fertilizer
Place of Origin
Shandong, China
Water Solubility
100% Soluble
TECHNICAL INFORMATION

Product Insights & Application

Products Description
Composition
Appearance
Dark Brown Liquid
NPK(g/L)
200Min
Humic Acid(g/L)
30Min
Density
1.16-1.2
PH(1:250)
7.5-8.0
Experimental Results
DOSE
Foliar Spray
Diluted 1000-1200 times, every 10-15 days aferfruit setting
Drip lrrigation
Dilute 800-1000 times, 5-10L per Ha. 3-5 timesoer season
Surface lrrigation
Dilute 500-800 times,8-15L per Ha, 3-5times per season
Effect Comparison
Customer Reviews


Company Profile
Exhibition
Packaging and Delivery
FAQ

Shandong Duofen Agricultural Co., Ltd. – FAQ

1. What is liquid fertilizer? Liquid fertilizer is a nutrient-rich solution that provides essential nutrients like nitrogen, phosphorus, and potassium to plants in a readily absorbable form.​ 2. How do I apply liquid fertilizer? Liquid fertilizers can be applied through drip irrigation systems, or foliar spraying. Always follow the recommended dilution rates and application methods provided on the product label.​ 3. When is the best time to apply liquid fertilizer? Apply liquid fertilizer during the growing season, typically from spring to early fall. Avoid fertilizing during dormant periods to prevent potential damage to plants. ​ 4. How often should I fertilize my plants? Fertilization frequency depends on the plant type and growth stage. Always adjust based on specific plant needs and soil conditions.​ 5. Can I use liquid fertilizer on all plants? Liquid fertilizer is suitable for most plants, including vegetables, fruits, and ornamental plants. However, always check the product label for any plant-specific recommendations or restrictions.​ 6. How should I store liquid fertilizer? Store liquid fertilizer in a cool, dry place away from direct sunlight and extreme temperatures. Ensure the container is tightly sealed to prevent contamination and degradation.​ 7. Is liquid fertilizer safe for the environment? When used as directed, liquid fertilizers are safe for the environment. Avoid over-application to prevent nutrient runoff, which can harm water sources.​ 8. Do you offer organic liquid fertilizers? Yes, Shandong Dofen Agricultural Co., Ltd. offers a range of liquid fertilizers formulated to promote healthy plant growth while being environmentally friendly.​ 9. How can I contact customer support? For inquiries or support, please contact us.