Production Forms of Potassium Sulfate

Asia Potash Industry Potassium Sulfate is produced in the following three types:

  • Powder (SOP): Ideal for drip irrigation and NPK industries that require 100% water solubility and liquid potassium.

  • Granular (rock potash): Suitable for agricultural applications and saline soils

  • Micronized: Suitable for manufacturing pre-cast gypsum products and gypsum boards

Comparison table of Asia Potash Industry Potassium Sulfate types with national standard

Property

Granular Potassium Sulfate

Powder Potassium Sulfate

Iran National Standard INSO-128

K₂O

50 – %52

50 – %52

Minimum 50 %

S

17.5 – 18.2

17.5 – 18.2

Minimum 17.5%

Cl

0.5 – %2.5

0.5 – %1.5

Maximum 2.5 %

MgO

0 – %0.5

0 – %0.5

Maximum 2 %

CaO

1 – %2

0%

Maximum 2.5 %

NaCl

1 – %3

1 – %2

Powder max 2 %

Granular max 3 %

Moisture

0 – %1.5

0 – %1.5

Maximum 1.5 %

pH

4 ~ 5

4 ~ 5

4 – 5

Particle Size

(min %85)

mm 4 -1

(min %85)

µm 200

Granular: (min %85) mm 1-4 Powder: (min %85) µm 200

Applications of Potassium Sulfate

  • Increasing Product quality and yield: Improves color, taste, and nutritional value of fruits, vegetables, and grains.

  • Enhancing plant photosynthesis and metabolism: Increases chlorophyll production and accelerates growth.

  • Improving resistance to environmental stress: Reduces the effects of drought, salinity, and heat stress.

  • Reducing diseases and pests: Strengthens cell walls and increases plant resistance.

  • Suitable for saline soils: Chloride-free and does not increase soil salinity.

Benefits of Using Potassium Sulfate in Agriculture

Potassium Sulfate is used in a wide range of agricultural Products:

  • Fruits and citrus: Increases fruit size and quality, reduces cracking, and improves color.

  • Vegetables and horticultural crops: Improves leaf growth, enhances taste, and increases marketability.

  • Agricultural crops: Increases yield in wheat, rice, corn, and oilseed crops.

  • Ornamental and flower plants: Extends flower shelf life and improves color and freshness of leaves.

Guide to Using Potassium Sulfate in Agriculture

Potassium Sulfate can be used for a wide range of agricultural Products. The table below shows recommended application rates for different crops:

Application Method

Potassium Sulfate Application Rate

Crop

Furrow application – fertigation – foliar spray

Tree age × 100 g per tree

Citrus

Furrow application – fertigation – foliar spray

150 – 200 g per tree

Grapes

Soil mixing – fertigation

100 – 150 kg per hectare

Melon / Watermelon

Soil mixing – fertigation – foliar spray

150 – 200 kg per hectare

Cabbages

Soil mixing – fertigation

150 – 200 kg per hectare

Onion

Soil mixing – fertigation – foliar spray

50 – 150 kg per hectare

Lettuce

Soil mixing – fertigation – foliar spray

100 – 200 kg per hectare

Pepper

Soil mixing – fertigation – foliar spray

100 – 200 kg per hectare

Field Tomato

Soil mixing – fertigation

150 – 200 kg per hectare

Potato

Soil mixing – fertigation – foliar spray

100 – 150 kg per hectare

Sunflower

Soil mixing – fertigation – foliar spray

100 – 150 kg per hectare

Soybean

Soil mixing – fertigation – foliar spray

100 – 200 kg per hectare

Sugar beet

Soil mixing – fertigation – foliar spray

100 – 200 kg per hectare

Sugarcane

Soil mixing – fertigation – foliar spray

120 – 250 kg per hectare

Tea

Soil mixing – fertigation – foliar spray

100 – 200 kg per hectare

Alfalfa

Soil mixing – fertigation – foliar spray

100 – 200 kg per hectare

Barley

Soil mixing – fertigation – foliar spray

100 – 150 kg per hectare

Corn

Soil mixing – fertigation – foliar spray

100 – 200 kg per hectare

Wheat

Soil mixing – fertigation – foliar spray

100 – 200 kg per hectare

Rice

Furrow application – fertigation – foliar spray

Young trees: 30 – 50 g per tree
Mature trees: 200 – 300 g per tree

Olive

Note: Exact application rates depend on soil type, regional climate conditions, and plant requirements. Soil testing should be conducted first to determine the current nutrient status, and precise recommendations should be provided by agricultural experts.

Packaging and Storage Conditions

The product is available in 25 kg and 50 kg bags, as well as 1000 kg jumbo bags, and can be shipped to all regions of Iran. To maintain quality, it should be stored in a dry, cool place away from moisture.

Safety Recommendations for Using Potassium Sulfate

Proper use of Potassium Sulfate improves agricultural Product performance, but safety precautions must also be observed:

  • Use of protective equipment: Wear gloves, masks, and safety goggles to avoid direct contact with skin and inhalation of dust.

  • Proper storage conditions: Store in a dry, cool place away from direct sunlight. Avoid contact with moisture and incompatible materials such as acids and strong oxidizers.

  • Handling precautions: Potassium Sulfate is not edible. Keep it away from children and animals. In case of eye contact, rinse immediately with water and seek medical attention if necessary.

  • Proper waste management: Do not discard empty bags in the environment and dispose of them according to environmental regulations.

  • Avoid improper mixing: To prevent unwanted chemical reactions, consult agricultural experts before mixing with other fertilizers.

Following these recommendations increases safety and maximizes the efficiency of Potassium Sulfate.

Why Asia Potash Industry Potassium Sulfate?

Advantages of Asia Potash Industry Potassium Sulfate:

  • Very low chloride content (below 1.5%): Suitable for chloride-sensitive plants such as pistachio and grape.

  • Improved nutrient uptake: Sulfur in the formulation enhances nitrogen and phosphorus absorption.

  • Suitable for drip irrigation (SOP): High water solubility with no residue.

  • Increased plant resistance: Reduces environmental stress and fungal diseases.

  • Improved quality and shelf life of agricultural Products: Enhances color, taste, and marketability of fruits and vegetables.

  • Direct supply without intermediaries: Ensures best price and quality.

Download Technical Documents and MSDS for Potassium Sulfate

To ensure product quality, safety, and compliance with standards, you can download technical and safety documentation for Asia Potash Industry Potassium Sulfate from the links below:

Download the technical datasheet using the button below.

Download Technical Datasheet for Potassium Sulfate

Download the safety datasheet using the button below.

Download Safety Datasheet for Potassium Sulfate

For more information and free consultation, contact our experts.

Contact Us

Buy Potassium Sulfate at the Best Price

Asia Potash Industry, one of the leading Potassium Sulfate producers in Iran, offers this product with high potassium content and minimal impurities. Advantages of Asia Potash Industry Potassium Sulfate include:

  • High purity and guaranteed quality: Product with high potassium content and minimal impurities.

  • Chloride-free: Suitable for chloride-sensitive plants.

  • Improved nutrient absorption: Sulfur in the formulation enhances nitrogen and phosphorus uptake.

  • Increased plant resistance: Reduces environmental stress and fungal diseases.

  • Improved quality of agricultural Products: Enhances size, taste, and shelf life of fruits.

  • Direct supply without intermediaries: Cost-effective purchase with quality assurance.

  • Pre-shipment laboratory testing and analysis: Ensures product quality.

  • After-sales service and full support: Continuous support for farmers at all stages.

  • Fast nationwide delivery: Receive products in the shortest time.

  • Bulk purchase with special discounts: Best pricing for wholesale orders.

For pricing inquiries and purchase consultation, contact us.

FAQ

How can I order industrial potassium sulfate?

You can place your order by calling, submitting a request through the website, or contacting our sales experts.

Is it possible to buy potassium sulfate in bulk?

Yes, we have the ability to supply this product in bulk in high volumes.

How is the price of potassium sulfate calculated?

The price of this product depends on factors such as purchase volume, transportation costs, and market fluctuations.

Is potassium sulfate suitable for all plants?

Yes, but it is highly recommended for chlorine-sensitive plants such as pistachios and grapes.

How long does it take to deliver potassium sulfate?

Depending on the order volume and destination, it usually takes between 1 and 7 business days.

Is it possible to ship to all over Iran?

Yes, our products are shipped to all cities in Iran.