Potassium Sulfate

Master Green

Master Green Potassium Sulfate: 50% water-soluble K + 17.5% S, chloride-free powder. Boosts disease resistance, stomatal function & nutrient uptake. Irrigation & foliar rates for field crops & trees.

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Potassium Sulfate Fertilizer

Brand: Master Green

Packaging: 5000 gr

Master Green powdered potassium sulfate contains 50% water-soluble potassium and 17.5% soluble sulfur.

Effects of Potassium Sulfate on Plants It supplies potassium and sulfur to plants without harmful chloride, making it safe. It reduces soil acidity, aiding better absorption of iron and phosphorus. Overall, potassium maintains osmotic balance and regulates stomatal opening in plants; it is vital for water relations and disease resistance. Sulfur is essential for synthesizing amino acids and proteins, and it supports the plant’s defense mechanisms. Do not mix potassium sulfate fertilizer with compounds containing calcium or copper. For maximum effectiveness in crops like wheat, corn, cotton, almonds, and various fruit trees, use it throughout all growth stages and fruit formation.

The primary application method for powdered potassium sulfate is via irrigation, as it is fully water-soluble. When dissolving, pay attention to water pH, hardness, temperature, and the amount of fertilizer per volume of water to achieve optimal solubility.

Field and greenhouse crops: 10-15 kg per hectare (with irrigation) Fruit trees: 7-10 kg per hectare (irrigation) Orchard and field plants: 3-5 kg per 1000 liters (foliar spray)

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Product	Amount of Consumption	Method of Consumption
Field and greenhouse crops	10-15 kg per hectare	fertigation
Fruit trees	7-10 kg per hectare	fertigation
Orchard and field plants	2-4 kg per 1000 liters	foliar spray

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Additional information

Weight	5000 gr
Soluble K(K2O)	50%
Sulfur (SO4)	17.5%
Soluble K	6%

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Always read the label and product information before use. Follow these guidelines to ensure safe handling and application:
Handling: Wear protective gloves, long sleeves, and eye protection during mixing and application to avoid skin or eye irritation. Potassium sulfate is non-toxic but can cause mild irritation.
Storage: Keep in a cool, dry place away from moisture, children, pets, and food. Store sealed in original 10kg bags to prevent clumping.
Mixing: Never mix with calcium (e.g., gypsum, lime) or copper-based products, as it may cause precipitation or reduced efficacy. Test compatibility on a small scale first.
Application: Apply only during recommended stages (early growth to ripening). Avoid overuse to prevent nutrient imbalance. For fertigation: 10-15 kg/ha; foliar: 2-3 kg/ha diluted in sufficient water.
First Aid: If inhaled, move to fresh air. For skin/eye contact, rinse with plenty of water for 15 minutes. Seek medical advice if irritation persists. Ingestion: Do not induce vomiting; rinse mouth and drink water.
Disposal: Dispose of empty bags responsibly per local regulations; do not reuse for food storage.

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Soil Health: Lowers soil pH slightly via sulfate, boosting iron and phosphorus availability without acidification risks. Chloride-free formula prevents soil salinization in sensitive crops.
Water Quality: Fully water-soluble; minimal residue in runoff if applied at recommended rates. Avoid application before heavy rain to reduce leaching.
Wildlife and Pollinators: Non-toxic to bees, birds, and aquatic life at field rates. Enhances plant stress tolerance, reducing need for irrigation and indirectly conserving water.
Best Practices: Use precision fertigation to minimize excess. Integrate with soil testing for balanced nutrition. Supports organic-like farming by improving natural nutrient cycles.