Hot Sales ProductModel: DUOFEN-70

Custom Liquid NPK Fertilizer Manufacturer for Economic Crops

Custom liquid NPK fertilizer is a quick-release compound fertilizer formulated for economic crops and tailored to customer nutrient requirements. Manufactured in Shandong, China, this black liquid fertilizer supports bulk B2B procurement with customizable formulas, COA and MSDS documentation, and packaging options from 1 kg to 50 kg for distributors, importers, and agricultural input suppliers.

Supply TypeMOQ: 3000 liters
ServiceOEM / Customization
DocumentationCOA & MSDS
  • Customizable liquid NPK formulas developed according to client nutrient and crop requirements
  • Quick-release compound fertilizer in black liquid form for fast nutrient availability in agriculture use
  • Suitable for economic crops and soil application across commercial farming and agri-input supply chains
  • Quality support includes COA and MSDS documentation for export, compliance, and buyer evaluation
PRODUCT DATA

Technical Specifications

MOQ
5KG
Type
NPK
Color
Black
NPK %
70-70-70+50HA
State
Liquid
Usage
Agriculture Soil
Package
1kg/9.5kg/9.8kg/10kg/20kg/25kg/ 50kg Bag
Key word
NPK Fertilizer NPK Compound Fertilizer
Appearance
Black Liquid
Brand Name
duofen
Application
Agirculture
Certificate
COA MSDS
Other Names
Liquid NPK fertilzier
Product Name
Requirements of the Clients Liquid Fertilizers DI Grow
Release Type
Quick
Selling Units
Single item
Classification
Compound Fertilizer
Place of Origin
Shandong, China
Applicable crops
Economic Crops
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
Customer Reviews


Company Profile
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.