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Magnisal™ Magnesium Nitrate

Magnisal™ - magnesium nitrate fertilizer for healthy crops

Magnisal™ magnesium nitrate fertilizer provides plants with readily-available magnesium, which is essential for their healthy growth

Magnisal™ - magnesium nitrate fertilizer for healthy crops

The nitrate in Magnisal™ facilitates the uptake of magnesium by the plant, thus improving its efficiency. It also enriches plant nutrition with readily available, easily absorbed nitrogen.

Magnesium is essential for the plant

Magnesium is a vital nutrient for healthy plant growth. It is a key component of the chlorophyll molecule, hence essential for photosynthesis and formation of carbohydrates. Magnesium is involved in enzymatic reactions and assists in generation of energy. Magnesium deficiency retards plants development, resulting in decreased yields and poor quality.

Deficiency symptoms

Magnesium deficiency is manifested by yellow bands between leaf veins. The symptoms show first on older leaves, and move towards young leaves as deficiency worsens. In severe cases, necrosis may appear.

Magnesium deficiency in plants



The benefits of Magnisal™ - magnesium nitrate fertilizer


  • Prevents and cures magnesium deficiencies

  • Consists of 100% plants nutrients

  • Free of chloride, sodium and other detrimental elements

  • Dissolves quickly and completely in water

  • Ideal for efficient applications by fertigation and foliar spray


Magnisal™ is a superior source of magnesium

Magnesium nitrate is superior to magnesium sulfate fertilizers. It possesses higher nutritional value and better physical properties that make it more convenient for handling and application.
Plant nutritional value
Plants absorb the magnesium from Magnisal™ more readily, due to the interaction between the magnesium and the nitrate anion. Magnisal™ is up to three-fold more effective than magnesium sulfate in preventing and curing magnesium deficiencies, and therefor enables considerably lower
application rates.
Magnisal™ magnesium nitrate formula
Product analysis
Total nitrogen (N) 11.0%
Nitrate-nitrogen (N-NO3) 11.0%
Magnesium oxide (MgO) 16.0%
Magnesium (Mg) 9.6%
Insoluble matter 200 ppm
Water solubility
Magnisal™ is extremely soluble in water. It dissolves quickly and does not form precipitate, even at low temperatures.
Water temperature (°C) 0 10 20 30 40
Grams Magnisal /liter 1730 2000 2250 2560 2890
Water temperature (°F) 32 50 68 86 104
pH and EC
Magnisal™ is slightly acidic, which improves its absorption by leaf surface when sprayed, and enables tank-mixing with chelated nutrients and pesticides. The electrical conductivity (EC) of Magnisal™ solution is low, compared to other fertilizers.
Concentration (%) Lbs/100 gal pH EC (mS/cm)
0.1 1.2 5.6 0.88
0.2 2.2 5.5 1.69
0.3 3.6 5.4 2.52
1.0 12 4.8 7.58
Physical and chemical properties
Magnisal™ is fully soluble in water. It is approximately ten-fold more soluble than Magnesium Sulfate:
  Magnisal Magnesium sulfate (Epsom Salt)
Solubility at 20°C 2250 g/l 252 g/l
68°F 18.8 lbs/gal 2.1 lbs/gal
Insoluble matter 300 ppm 3000-5000 ppm

Nutrigation™ with Magnisal™

Nutrigation™ (fertigation), delivery of pure plant nutrients through the irrigation system, is a highly efficient application method, enabling full control over rates, composition, timing and placement of plant nutrition.
Magnisal™ is ideal for Nutrigation™ of crops in both soil and soilless media. Pure and highly soluble, Magnisal™ is safe for use with all types of irrigation equipment. It is compatible with all water-soluble fertilizers, except concentrated phosphate solutions.
Magnisal™, unlike magnesium sulfate, can be used with water of poor quality, hence recommended when the irrigtion water contains high levels of sulfates or salts. In most irrigation practices, magnesium concentration in the water should range between 20-60 ppm.


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