UncategorizedModel: DFNPK-350

350-0-50 Liquid Nitrogen Fertilizer, RO Purified, Non-Clogging

350-0-50 liquid nitrogen fertilizer is a RO-purified, 100% water-soluble compound fertilizer formulated for efficient foliar spray, drip irrigation, and drone application. Designed for B2B wholesale supply, it offers clear liquid stability, non-clogging performance, ISO 9001-backed manufacturing, and OEM/custom packaging options for field crops and vegetables.

Supply TypeMOQ: 2000 liters
ServiceOEM / Customization
DocumentationCOA & MSDS
  • RO-purified clear liquid fertilizer engineered for non-clogging use in drip irrigation, foliar spray, and agricultural drone spraying
  • Compound NPK liquid fertilizer with slow-release performance to support nutrient efficiency across rice, wheat, corn, barley, spinach, lettuce, and Chinese cabbage
  • Technical profile: liquid state, pH 7.5-8, 100% water solubility, clear appearance, agricultural grade application
  • B2B manufacturer supply from Shandong, China with ISO 9001 certification, available samples, OEM service, and customized packaging
PRODUCT DATA

Technical Specifications

MF
null
PH
7.5-8
OEM
Available
Type
NPK
State
Liquid
Usage
AGRICULTURAL USAGE
Purity
null
Sample
Avaliable
CAS No.
null
Package
Customized
Appearance
clear Liquid
Applied to
rice, wheat, corn, barley,spinach, lettuce, Chinese cabbage, etc
Brand Name
DUOFEN
EINECS No.
null
Application
Foliar Spray, Drip Irrigation,Drone prevention and control
Certificate
ISO 9001
Release Type
Slow
Selling Units
Single item
Classification
Compound Fertilizer
Place of Origin
Shandong, China
Water Solubility
100% Soluble
TECHNICAL INFORMATION

Product Insights & Application

Products Description
Composition
Appearance
Duofen High-nitrogen type
N(g/L)
350Min
K(g/L)
50Min
                OM(g/L)
210Min
Density
1.28-1.29
PH(1 :250)
7.5-8
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.