NPK Liquid
Wholesale Liquid Humic Acid Fertilizer NPK 350-0-20+30
Liquid humic acid fertilizer NPK 350-0-20+30 is a fast-acting, fully water-soluble agricultural nutrient solution designed for foliar spraying, drip irrigation, and flushing systems. Manufactured in Shandong, China, it supports crop nutrient uptake, offers OEM and customized packaging options, and is suitable for B2B buyers seeking consistent quality, scalable supply, and flexible formulation.
Supply TypeMOQ: 2000 liters
ServiceOEM / Customization
DocumentationCOA & MSDS
- 100% water-soluble liquid fertilizer for foliar spray, drip irrigation, and flushing applications
- Humic acid-based NPK 350-0-20+30 formula designed for quick nutrient release and crop support
- Suitable for agricultural use across multiple crop types with flexible pH, purity, and packaging customization
- Manufactured by Duofen under ISO 9001 certification for reliable wholesale and OEM supply
PRODUCT DATA
Technical Specifications
TECHNICAL INFORMATION
Product Insights & Application
Products Description
Composition | ||
Appearance | Duofen NPK Liquid Fertilizers | |
N-P-K(g/L) | Customized | |
Medium+TE(g/L) | Customized | |
Density | 1.3~1.8 | |
Company Profile
Our Advantages
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.
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