Potassium phosphiteModel: DFNPK-phos-001

Wholesale Potassium Phosphite Liquid Foliar Fertilizer OEM

Potassium phosphite liquid fertilizer is a fast-acting, 100% water-soluble foliar and drip application nutrient designed to support plant growth, phosphorus and potassium uptake, and crop vigor. Manufactured by DUOFEN AGRI in Shandong, China, it is suitable for B2B wholesale supply, OEM/ODM customization, and large-scale use on fruit trees, vegetables, grapes, citrus, strawberries, flowers, and other commercial crops.

Supply TypeMOQ: 2000 liters
ServiceOEM / Customization
DocumentationCOA & MSDS
  • B2B-ready potassium phosphite liquid fertilizer for wholesale, private label, and OEM/ODM supply
  • 100% water-soluble blue liquid with quick-release performance for foliar spray and drip irrigation systems
  • Classified as compound NPK fertilizer with phosphogluconate phosphorus and potassium phosphite formulation
  • Produced by DUOFEN AGRI under ISO 9001 certification for consistent quality and reliable export supply
PRODUCT DATA

Technical Specifications

PH
1.65
Type
NPK
State
Liquid
Usage
AGRICULTURAL USAGE
Purity
null
Sample
Avaliable
CAS No.
null
OEM/ODM
Available
Package
Customized
Appearance
Blue Liquid
Applied to
fruit trees vegetables grapes citrus strawberries flowers crops
Brand Name
DUOFEN AGRI
EINECS No.
null
Application
Foliar Spray, Drip Irrigation,Drone prevention and control
Certificate
ISO 9001
Other Names
Potassium Phosphite
Release Type
Quick
Selling Units
Single item
Classification
Compound Fertilizer
Place of Origin
Shandong, China
Water Solubility
100% Soluble
Gross weight per batch
1.000 kg
Package size per batch
15X15X15 cm
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
1.5
Customer Reviews


Company Profile
Certifications
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.