Humic Acid
Duofen 350-0-20 Controlled Release Humic Acid Fertilizer
DUOFON SeaNitro 350-0-20 is a controlled release organic liquid nitrogen fertilizer formulated with humic acid for efficient crop nutrition. Designed for B2B agricultural buyers, it offers 100% water solubility, pH 5-7 stability, and flexible use in foliar spray and drip irrigation, with OEM packaging, ISO 9001 certification, and a 2000-unit MOQ for wholesale supply.
Supply TypeMOQ: 2000 liters
ServiceOEM / Customization
DocumentationCOA & MSDS
- Controlled release liquid fertilizer with humic acid to support efficient nutrient uptake and longer-lasting crop feeding
- 350-0-20 formulation in liquid state, 100% water soluble, with pH 5-7 for stable agricultural application
- Suitable for foliar spray, drip irrigation, and broad crop-use programs across commercial farming operations
- Organic fertilizer classification with ISO 9001 certification for reliable quality assurance in wholesale procurement
PRODUCT DATA
Technical Specifications
TECHNICAL INFORMATION
Product Insights & Application
Products Description
Composition | ||
Appearance | Dark Brown Liquid | |
N(g/L) | 70Min | |
P2O5(g/L) | 70Min | |
K2O(g/L) | 70Min | |
Humic Acid(g/L) | 50Min | |
Density | 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
Company Profile
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Exhibition
Packaging and Delivery
FAQ
Shandong Dofen 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.
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