The Global Agricultural Magnesium Sulfate Heptahydrate Market was valued at USD 259.20 Million in 2023 and is projected to reach USD 356.35 Million by 2032, growing at a Compound Annual Growth Rate (CAGR) of 3.6% during the forecast period (2023-2032). This growth is fueled by increasing demand for high-efficiency fertilizers, rising magnesium deficiency in soils worldwide, and the expanding cultivation of magnesium-sensitive crops like potatoes, tomatoes, and citrus fruits.

As modern agriculture seeks to maximize yields while addressing soil nutrient depletion, magnesium sulfate heptahydrate (MgSO₄·7H₂O) has emerged as a critical soil amendment and foliar feed. In this analysis, we profile the Top 10 Companies in the Agricultural Magnesium Sulfate Heptahydrate Industry—key producers and distributors supporting sustainable agriculture through innovative magnesium solutions.

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🔟 1. PQ Corporation

Headquarters: Malvern, Pennsylvania, USA
Key Offering: High-purity magnesium sulfate heptahydrate for agriculture

PQ Corporation is a leading global producer of specialty chemicals, including agricultural-grade magnesium sulfate. Their products are widely used in both conventional and organic farming systems across North America and Europe.

Key Differentiators:

• Vertically integrated magnesium production
• Customized micronutrient formulations
• Technical agronomic support services

Download FREE Sample Report:
Agricultural Magnesium Sulfate Heptahydrate Market – View in Detailed Research Report

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9️⃣ 2. K+S KALI GmbH

Headquarters: Kassel, Germany
Key Offering: ESTA Kieserit magnesium sulfate products

This German mineral company specializes in high-quality magnesium fertilizers, including their ESTA Kieserit line, which combines magnesium and sulfur for optimal plant nutrition.

Key Differentiators:

• Europe’s largest magnesium sulfate producer
• Granulated slow-release formulations
• Sustainable mining practices

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8️⃣ 3. Giles Chemical

Waynesville, North Carolina, USA
Key Offering: Custom blended microDiffite fertilizers

Giles Chemical manufactures and distributes high-quality magnesium sulfate heptahydrate products specifically f藤mulated for agricultural applications across various crops.

Key Differentiators:

• ISO 9001:2015 certified production
• Soluble crystal and powder formulations
• USDA-approved organic options

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7️⃣ 4. Weifang Menjie Chemical Co., Ltd.

Headqua[ters: Shandong, China
Key Offering: Cost-effective magnesium sulfate for Asian markets

As one of China’s leading producers, Weifang Menjie supplies agricultural magnesium sulfate to domestic and export markets through both traditional and e-commerce channels.

Key Differentiators:

• Large-scale production capacity
• Competitive pricing structure
• Flexible packaging options

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6️⃣ 5. Manibhadra Fertilizers

Headquarters: Mumbai, India
Key Offering: Magnesium sulfate for tropical crops

This Indian company specializes in magnesium fertilizers tailored for crops like tea, coffee, and rubber that show high sensitivity to magnesium deficiency in tropical soils.

Key Differentiators:

• Expertise in tropical agriculture
• Combination products with other micronutrients
• Strong distribution in South Asia

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5️⃣ 6. Laizhou City Laiyu Chemical Co., Ltd.

Headquarters: Shandong, China
Key Offering: Industrial and agricultural magnesium sulfate

Laiyu Chemical operates one of China’s most advanced magnesium sulfate production facilities, supplying bulk quantities to domestic and international agricultural markets.

Key Differentiators:

• Annual capacity exceeding 300,000 metric tons
• Multiple product grades
• Advanced crystallization technology

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4️⃣ 7. ADOB®

Headquarters: Gdansk, Poland
Key Offering: High-quality micronutrient fertilizers

ADOB specializes in concentrated foliar fertilizers, including their premium ADOB® Mg line of highly soluble magnesium sulfate products for precision agriculture applications.

Key Differentiators:

• Foliar application expertise
• High-purity, low-chloride formulations
• Organic farming certifications

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3️⃣ 8. Zibo Chuanbei Chemical Co., Ltd.

Headquarters: Shandong, China
Key Offering: Magnesium sulfate for global agriculture

Zibo Chuanbei has emerged as a reliable supplier of agricultural magnesium sulfate to markets in Southeast Asia, Africa, and South America.

Key Differentiators:

• Stringent quality control
• Competitive export pricing
• Flexible minimum order quantities

Download FREE Sample Report:
Agricultural Magnesium Sulfate Heptahydrate Market – View in Detailed Research Report

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2️⃣ 9. Shouguang Hengyi Chemical Co., Ltd.

Headquarters: Shandong, China
Key Offering: Magnesium sulfate production and export

Hengyi Chemical manufactures magnesium sulfate heptahydrate through environmentally friendly processes, supplying agricultural markets worldwide.

Key Differentiators:

• Responsible sourcing practices
• Tailored product specifications
• Global logistics expertise

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1️⃣ 10. Yantai Sanding Chemicals Co., Ltd.

Headquarters: Shandong, China
Key Offering: Specialty magnesium products

Yantai Sanding focuses on high-end magnesium sulfate formulations suitable for both soil application and fertigation systems in precision agriculture.

Key Differentiators:

• Technical-grade formulations
• Enhanced solubility products
• Custom blending services

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🌱 Outlook: The Future of Agricultural Magnesium Sulfate Is Precision and Sustainability

The agricultural magnesium sulfate market is evolving to meet the demands of modern farming. While bulk applications continue to dominate, the industry is shifting toward specialized formulations, precision application technologies, and sustainable production methods.

📈 Key Market Trends:

• Growing adoption of foliar magnesium applications
• Increasing organic farming requirements
• Development of enhanced-efficiency products
• Integration with precision agriculture systems

Get Full Report Here:
Agricultural Magnesium Sulfate Heptahydrate Market – View in Detailed Research Report

The companies profiled above are not just supplying magnesium sulfate—they’re helping solve global food production challenges through innovative mineral nutrition solutions.