Ca Mg S water-soluble fertilizer
Ca Mg S water-soluble fertilizer
Product Name: | Water Soluble Secondary Nutrient Fertilizer |
Category: | Soluble Fertilizer – Proucut |
Fertilizer Type: | Secondary Macronutrient Fertilizer |
Ingredients: | Calcium, Magnesium, Sulfur |
Grade Standard : | Agriculture |
Appearance: | Powder |
Certificate: | ISO 22241-1, ISO9001 Certificate… Etc. |
Product Details
Risso Secondary Nutrient Fertilizers are premium-grade, fully water-soluble solutions formulated to supply essential secondary macronutrients—Calcium (Ca), Magnesium (Mg), and Sulfur (S)—required for optimal plant metabolism, structural development, and nutrient uptake. These nutrients play critical roles beyond NPK, improving overall crop quality, disease resistance, and tolerance to abiotic stress.
Unlike primary nutrients (NPK), secondary nutrients are required in moderate quantities but are no less vital. Modern intensive agriculture often leads to depletion of secondary elements from the soil, making regular supplementation essential.
Calcium (Ca): Enhances cell wall strength, root elongation, and fruit firmness.
Magnesium (Mg): Central component of chlorophyll, promotes photosynthesis and enzymatic reactions.
Sulfur (S): Vital for amino acid synthesis, chlorophyll formation, and oil content in crops.
Available Grades & Formulations
Product Name | Nutrient Composition | Form | Solubility |
---|---|---|---|
Risso CaN (Calcium Nitrate) | 15.5% N + 18.8% Ca | Granular | 100% |
Risso MgS (Kieserite) | 16% MgO + 13% S | Crystalline | Moderate |
Risso MgSO₄ (Magnesium Sulfate) | 9.8% Mg + 12.9% S | Powder | 100% |
Risso CaS (Calcium Sulfate) | 23% Ca + 18% S | Microgranule | Low |
Product Highlights
100% Water-Soluble for efficient foliar and fertigation applications.
Highly Bioavailable Forms: Uses nitrate and sulfate-based compounds for rapid uptake.
Low Sodium & Chloride Content: Safe for sensitive crops.
Compatible with Most Fertilizer Programs.
Key Benefits
Prevents Secondary Nutrient Deficiencies: Such as blossom-end rot (Ca), interveinal chlorosis (Mg), and sulfur-induced yellowing.
Boosts Nutrient Uptake: Enhances efficiency of primary macronutrients.
Improves Crop Quality: Firmer fruits, higher chlorophyll density, and improved oil content.
Supports Sustainable Agriculture: Helps in balancing nutrient inputs and reducing chemical stress on plants.
Application Methods
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Fertigation: Ideal for drip and sprinkler systems.
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Foliar Feeding: Quick correction of deficiencies during critical growth stages.
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Soil Application: For baseline correction of nutrient levels.
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Calcium Nitrate: 5–10 kg/ha per week
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Magnesium Sulfate: 2–5 kg/ha per application
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Kieserite: 50–100 kg/ha for soil broadcast
(Dosage varies based on crop type, soil condition, and growth stage. Always consult with an agronomist.)
Crops Benefited
- Tomatoes, peppers, lettuce, citrus, potatoes, grapes, melons, oilseed crops, leafy greens, and ornamental plants.
Why Choose Risso® Secondary Nutrient Fertilizers?
Field-Tested Performance in diverse climates and cropping systems.
Advanced Solubility Technology ensures minimal clogging and maximum availability.
Compatible with Precision Agriculture tools and fertigation automation.

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Why Choose Risso® Ca, Mg, S Fertilizer?
Balanced Secondary Nutrients: Provides optimal ratios of calcium, magnesium, and sulfur.
100% Water-Soluble: Fast absorption through fertigation or foliar application.
Improves Crop Quality: Enhances cell strength, photosynthesis, and protein synthesis.
Deficiency Prevention: Effectively prevents blossom-end rot, leaf chlorosis, and sulfur deficiency.
Compatible with NPK Programs: Easily integrates into any nutrient management plan.