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 global food demand, precision agriculture adoption, and rising awareness about magnesium’s role in chlorophyll synthesis and plant metabolism.

As modern farming practices intensify globally, magnesium sulfate heptahydrate has become indispensable for addressing soil magnesium deficiencies in major crops. In this analysis, we examine the Top 10 Companies in the Agricultural Magnesium Sulfate Heptahydrate Market—global chemical manufacturers and specialty fertilizer producers delivering critical nutrient solutions.

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🔟 1. PQ Corporation

Headquarters: Malvern, Pennsylvania, USA
Key Offering: Ultra-pure Magnesium Sulfate Heptahydrate crystals

PQ Corporation stands as a global leader in specialty chemicals, with advanced production facilities specifically designed for agricultural-grade magnesium sulfate. Their products are particularly effective for high-value crops requiring precise magnesium supplementation.

Key Differentiators:

• Proprietary purification technology achieving 99.9% purity

• Custom formulations for hydroponic and fertigation systems

• Global supply chain serving agricultural markets across 60+ countries

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

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9️⃣ 2. K+S Aktiengesellschaft

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

With over 125 years of mineral processing expertise, K+S dominates the European magnesium sulfate fertilizer market. Their products are particularly valued for granulated formulations that optimize nutrient release.

Key Differentiators:

• Integrated mining and manufacturing operations

• Specialized formulations for acid soil correction

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8️⃣ 3. Giles Chemical

Headquarters: Waynesville, North Carolina, USA
Key Offering: MAG-NAPAK premium magnesium sulfate

Giles Chemical specializes in high-purity agricultural chemicals, with magnesium sulfate production facilities strategically located across North America. Their products carry OMRI certification for organic farming applications.

Key Differentiators:

• Exceptional solubility characteristics

• Heavy metal content below 10ppm

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7️⃣ 4. Weifang Menjie Chemical Co., Ltd.

Headquarters: Shandong, China
Key Offering: Cost-effective magnesium sulfate solutions

As China’s largest magnesium sulfate producer, Weifang Menjie supplies major agricultural markets across Asia. Their production capacity exceeds 300,000 metric tons annually, making them a key volume supplier.

Key Differentiators:

• Advanced granulation technology

• Competitive pricing for bulk agricultural applications

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

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6️⃣ 5. Laizhou Guangcheng Chemical Co., Ltd.

Headquarters: Shandong, China
Key Offering: Food-grade magnesium sulfate

This manufacturer produces high-purity magnesium sulfate crystals suitable for high-value agriculture, including greenhouse cultivation and hydroponic systems. Their products meet stringent international food safety standards.

Key Differentiators:

• GMP-compliant production facilities

• Custom particle size options (20-80 mesh)

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5️⃣ 6. Manikgarh Cement (Century Textiles)

Headquarters: Mumbai, India
Key Offering: Agro-Mag byproduct magnesium sulfate

Through innovative waste-to-product processes, Manikgarh Cement produces agricultural magnesium sulfate as a byproduct of cement manufacturing. This provides Indian farmers with cost-effective magnesium solutions.

Key Differentiators:

• Circular production model

• Fortified with secondary micro-nutrients

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4️⃣ 7. Zechstein Minerals

Headquarters: Veendam, Netherlands
Key Offering: ZECHSTER natural magnesium sulfate

Zechstein extracts high-purity magnesium sulfate from ancient marine deposits, offering a naturally occurring mineral with superior plant availability. Their product is particularly valued in organic agriculture.

Key Differentiators:

• 100% natural mineral source

• Minimal processing footprint

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3️⃣ 8. Mag Products Inc.

Headquarters: Mundelein, Illinois, USA
Key Offering: Epsom Salt-based agricultural products

Specializing in magnesium solutions for agriculture, Mag Products offers formulations for soil amendment, fertigation, and foliar applications across all major North American crops.

Key Differentiators:

• Crop-specific nutrient packages

• Rapid-dissolving formulations

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2️⃣ 9. UMAI Chemical Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: Precision agriculture magnesium solutions

UMAI Chemical serves Japan’s technologically advanced agricultural sector with ultra-pure magnesium sulfate products meeting exacting quality standards for controlled environment agriculture.

Key Differentiators:

• Nanotechnology-enhanced formulations

• Customized release profiles

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1️⃣ 10. Alfa Aesar (Thermo Fisher Scientific)

Headquarters: Lancashire, United Kingdom
Key Offering: Research-grade magnesium sulfate

While focused on laboratory markets, Alfa Aesar’s ultra-pure magnesium sulfate heptahydrate supports agricultural research institutions developing next-generation fertilizer formulations and studying plant nutrition.

Key Differentiators:

• ACS reagent grade purity

• Consistent batch-to-batch quality

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

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🌱 Market Outlook: The Future of Magnesium in Agriculture

The agricultural magnesium sulfate sector is evolving rapidly as modern farming practices demand more precise nutrient management solutions. Several key trends are reshaping industry dynamics:

📈 Key Market Drivers:

• Expanding magnesium deficiencies in intensively cultivated soils worldwide

• Growing adoption of fertigation and precision application technologies

• Increasing organic farming acreage requiring approved magnesium sources

• Advancements in enhanced-efficiency magnesium fertilizer formulations

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

The companies profiled above represent the innovation leaders developing solutions to enhance crop productivity while addressing the global challenge of soil nutrient depletion through responsible magnesium supplementation.