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Magnesium Sulphate Heptahydrate

CALDENA Magnesium Sulphate Heptahydrate
  • 25 kg

Magnesium Sulphate Heptahydrate

CALDENA Magnesium Sulphate Heptahydrate

Solid inorganic macronutrient fertilizer

(Mg, S) (+16 +32)

  • 25 kg

16% magnesium oxide (MgO) (= 9.6% Mg) soluble in water
32% sulfur trioxide (SO₃) (= 12.8% S) soluble in water

Application benefits

  • Increases the efficiency of chlorophyll synthesis and photosynthesis
  • Enhances root system development and function
  • Increases the yield-forming efficiency of nitrogen
  • Optimises the growth of leaf mass
  • Alleviates the stress of drought and low and high temperatures
  • Improves crop volume and quality

What makes foliar fertiliser Caldena Magnesium Sulphate Heptahydrate?

Modern production technology


Small crystal form, distinguished by its unique chemical purity

Instant and complete solubility in water

Universally applicable to all crop varieties

When to use

For use throughout the growing season as a preventive or intervention measure

Recommendations for use

Foliar fertilisation
Amount of water
Number of applicationsTime of application
Agricultural crops5200-3002-5Throughout the growing season.
Vegetables and orchards1-2300-10002-5Throughout the growing season.
Other crops1-2200-3002-5Throughout the growing season.
Soil fertilisation
Recommended dosage: 100-200 kg/ha
In case of magnesium and/or sulphur deficiency.
Recommended dosage: 0.2-1 kg/1000 l of water.
Dose the fertiliser based on the water and soil analysis and the nutritional requirements of the plants.