Water Soluble Potassium Phosphite Chemical Fertilizer for Foliar Spray
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Product Highlights
- Dual Function Fertilizer: Provides nutritional supplementation and disease prevention simultaneously.
- Fast Absorption Rate: Phosphite is absorbed faster than traditional phosphates with higher utilization.
- Disease Resistance Enhancement: Activates plant immune system to prevent fungal and oomycete diseases.
- Environmentally Friendly: Low residue suitable for organic agriculture and export-oriented planting.
- High Nutrient Content: Contains 520% Phosphorus and 340% Potassium for efficient supply.
- Customizable Packaging: Available in 1kg, 5kg, and 25kg bags with customizable options.
- Versatile Application: Suitable for fruits, vegetables, field crops, and cash crops.
- Multiple Usage Methods: Supports foliar spraying, drip irrigation, and seed treatment.
Product Attributes
- Customization
- Available
- CAS No.
- 13492-26-7
- Formula
- Kh2po3
- Model NO.
- Kh2po3
- Certification
- ISO9001
- Application
- Vegetables, Flowers, Fruit, Multiple Crops
- Appearance
- Powder
- Chemical Character
- Chemical Acid
- Release Type
- Quick
- Chorine
- Potassium Without Chloride
- Color
- White to off-White
- Phosphorus Content
- 520
- Potassium Content
- 340
- pH
- 4-5
- Freezing Point
- -16℃
- Melting Point
- >300℃
- Transport Package
- Film or Wooden Box
- Specification
- Customizable
- Trademark
- Gofine
- Origin
- China
- HS Code
- 28352200
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Product Description
Potassium phosphite (Kh2po3) is a fully water-soluble fertilizer with high phosphorus, high potassium and immune inducer, which has the dual functions of nutritional supplementation and disease prevention and control. Compared with traditional phosphates, it is absorbed faster and has a higher utilization rate. It can significantly improve the disease resistance of crops, reduce the use of pesticides, and increase yield and quality in drought, salinity and high disease environments in specific areas.
Features
1. Fast absorption: Phosphite phosphorus (PO3³-) is easier for crops to use than traditional phosphorus (PO4³-), and is suitable for adverse soils.
2. Enhance disease resistance: Activate the plant immune system to prevent fungal/oomycete diseases such as downy mildew, late blight, root rot, and canker.
3. Supplement phosphorus and potassium: Efficiently supply phosphorus and potassium elements, promote flowering and fruiting, and increase sugar content and color.
4. Environmentally friendly: Low residue, suitable for organic agriculture and export-oriented planting bases.
Applicable crops and usage methods
Applicable crops:1. Fruits and vegetables: grapes, tomatoes, potatoes, cucumbers, strawberries, citrus, etc. Reduce the use of chemical fungicides and meet organic agriculture/export standards . Improve sugar content (such as grapes, strawberries) and color (such as tomatoes, citrus).
2. Field crops: corn, wheat, sugarcane, cassava, rice, etc. Replace some phosphorus and potassium fertilizers, and have higher absorption efficiency in arid/salty land. At the same time, it reduces the yield reduction caused by diseases (such as rice blast, which can reduce losses by 30%).
3. Cash crops: cocoa, coffee, oil palm, tea, flowers, dates, etc. Meet the low residue requirements of the EU/Middle East market and replace some chemical fungicides. Extend the harvest period of cash crops (such as flower preservation and cocoa bean quality improvement)
Usage method:
1. Foliar spraying: Dilute 800~1500 times, and spray once every 7~10 days to prevent diseases.
2. Drip irrigation/flushing: 200~500g per mu to promote root absorption.
3. Seed treatment: Low concentration soaking is used to improve the germination rate and disease resistance.

| Molecular formula | Kh2po3 |
| Type | White hygroscopic powder |
| Color | White to off-white |
| Phosphorus content | 520 |
| Potassium content | 340 |
| PH | 4-5 |
| Freezing point | -16ºC |
| Melting point | >300ºC |
| Density | 0.979 at 20ºC |
| Vapor pressure | 0 Pa at 25ºC |
| Water solubility | Very soluble H2O, insoluble alcohol |
| Stability | Hygroscopic |
| Storage condition | Cool and dry place |
Packaging and storage
Specifications: 1kg/bag, 5kg/barrel, 25kg/bag (customizable).Storage: Store in a cool and dry place, avoid mixing with strong acids and alkalis.

Zhengzhou GOFINE Machine Equipment Co., Ltd., located in Zhengzhou West Development Zone, is a large-scale chemical raw materials, fertilizer equipment, and organic compound fertilizer production line supplier integrating scientific research, production, sales, and import and export services since 1987. GOFINE takes "Quality First, Customers Supreme" as its tenet,"Treat customers with honesty, create business with integrity" has been deeply rooted in the hearts of every GOFINE person. GOFINE is willing to cooperate with all the new and existing customers to create a glorious future together!


1. Why choose us?
Gofine Machine is a Chemical raw materials, fertilizer equipment and organic compound fertilizer production line equipment manufacturer, that integrates scientific research, production, sales, import, and export. One-stop procurement service, support customized solutions.
2. How can we guarantee the quality?
We have a strict quality control system to ensure the factory quality of each product.
3. What can you buy from us?
Gofine Machine sells chemical products such as potassium phosphite, sodium nitrophenolate, brightener, gibDberellin, anti-caking agent, bio-fermentation agent, potassium sulfite, and fertilizer production line equipment.
4. What services can we provide?
We have professional overseas installers responsible for installation, commissioning and free training. Professional personnel are waiting for you online 24 hours a day.
5. How to choose equipment?
We have a professional technical team to customize reasonable solutions for you and support customized services
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR259505". Items marked "" are certified.
Company Profile
Gofine Machine, establised in 2010, located in Wulong Industrial Zone of Xingyang City, Henan, China, specially engaged in producing fertilizer production machinery, animal feed machinery, waste recycling machinery and trading other equipment like food machinery We have heavy standardization industrial plants with area 2000 square meter, bring advanced large metal processing equipment, including the 1 sets CNC machining center, 1 sets laser cutting machine, and other equipment reaching total 10 sets; We have get known by the ISO9001-20001 certification and CE certification; Welcome you to know us more on our machine and our technology;
We take "Quality First and Customer Supreme" as our business philosophy, adhere business idea"Honesty and Excellence" and spirit of "Practical and Innovative", act "Attitude is everything" to our business and each client;
We are professional at fertilizer making machine, like organic fertilizer making machine, compound granules fertilizer production line, compost turner, rotary dryer, screening machine or sifter. Belt conveyor, auto packing scale, etc. We can offer you the complete production machine from A to Z, also guide the installation and commissioning on site. We have more than 10 years on fertilizer production field, export fertilizer machine to different kinds of countries. We can offer you life long years service.
Welcome you to know us more!
We also trade in food machine, like coffee roaster and oil press machine. Also have strength in dry mortar, sand pulp mixer machine, can offer the complete mortar or plaster mixing production line on site. What is more, there is other agricultural machine and feed machine for your choose.
We are here to support each client with best price and good quality.
Look forward to your cooperation.
About Our Factory & Business Background
- Address
- Room 2115, Golden International Building, Kangtai Rd, Xingyang, Zhengzhou, Henan, China
-
Terms of Payment
- LC, D/P, T/T, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays, one month
Off Season Lead Time: within 15 workdays, one month -
Nearest Port
- Qingdao Port
-
Minimum Order Quantity
- 1 Set
-
Supply Chain Partners
- 5
Our Production Capability & Technical Expertise
- Main Products
- Agricultural Machine, Fertilizer Machine, Organic Fertilizer Machine, Coffee Roaster, Scrap Copper Granulator, Compound Fertilizer Production Line, Waste Organic Fertilizer Compost Machine, Fertilizer Making Production Line, Fertilizer Pellet Mill, Fertilizer Granulator Machine
-
Production Lines
- 1
-
Production Machines
- c
-
QA/QC inspectors
- 2 people
-
Inspection Type for Finished Products
- Random inspection(Visual inspection)
-
Inspection Method for Finished Products
- Finished product checked by packing staff
-
Customization Options
- Customization from Samples, Customization from Designs
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 2 people
-
Traceability of Raw Materials
- No
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2015-11-20
-
Export Year
- 10 Years
-
Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), Australia, South Asia
-
Annual Export Revenue
- 1,064,975 USD
-
Number of Foreign Trading Staff
- 5
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Product Certification
- CE
FAQ
- Why choose us?
- Gofine Machine is a manufacturer integrating scientific research, production, sales, import, and export. We offer one-stop procurement service and support customized solutions.
- How can we guarantee the quality?
- We have a strict quality control system to ensure the factory quality of each product.
- What can you buy from us?
- We sell chemical products such as potassium phosphite, sodium nitrophenolate, brightener, gibberellin, anti-caking agent, bio-fermentation agent, potassium sulfite, and fertilizer production line equipment.
- What services can we provide?
- We have professional overseas installers responsible for installation, commissioning and free training. Professional personnel are waiting for you online 24 hours a day.
- How to choose equipment?
- We have a professional technical team to customize reasonable solutions for you and support customized services.
Send your message to this supplier
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