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40-420-40+Ca+Zn Liquid NPK Water-Soluble Fertilizer OEM
This liquid multi-nutrient NPK fertilizer is a quick-release, 100% water-soluble formulation designed for efficient foliar spray, drip irrigation, and drone application. Manufactured by DUOFEN AGRI in Shandong, China, it combines NPK 40-420-40 with added calcium and zinc, and supports B2B sourcing needs with ISO 9001 quality control, OEM service, customized pH and packaging, and a 2000-unit MOQ.
Supply TypeMOQ: 2000 liters
ServiceOEM / Customization
DocumentationCOA & MSDS
- B2B supply option for wholesale buyers, private label programs, and OEM fertilizer customization
- Liquid NPK 40-420-40 formula with added calcium and zinc for multi-nutrient crop feeding
- Quick-release and 100% water-soluble for efficient use in foliar spray, drip irrigation, and drone spraying
- Suitable for fruit trees, vegetables, citrus, grapes, strawberries, tomatoes, and cucumbers
PRODUCT DATA
Technical Specifications
TECHNICAL INFORMATION
Product Insights & Application
Products Description
Composition | ||
Appearance | Phosphorus Calcium Zinc | |
N-P-K(g/L) | 40-420-40 | |
Ca(g/L) | 35 | |
Zn(g/L) | 35 | |
Density | 1.51 | |
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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