Fortymag® SL

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Chlorophyll inducer

Fortymag® SL is an agricultural biostimulant indicated to induce chlorophyll synthesis in crops. Its composition based on amino acids, Ascophyllum nosodum algae extract and special trace elements allows to enhance the dominant vegetative processes in the treated crop to reinforce resistance to abiotic stress and nutrient deficiencies while stimulating growth and production.
Fortymag® SL provides:


  • Increased chlorophyll synthesis and photosynthetic efficiency
  • Enhances vegetative processes
  • Improved resistance to crop stress
Declared content

Total nitrogen: 1.1 % w/w

Organic nitrogen (N): 0.6 % w/w

Ammonium nitrogen (N): 0.5 % w/w

Boron: 1,0 % w/w

Copper (Cu*): 0,5 % w/w

Cobalt (Co*): 0,02 % w/w

Iron (Fe*): 0,38 % w/w

Molybdenum (Mo): 0,1 % w/w

Free amino acids: 2.0 % w/w

Mannitol: 0,4 % w/w

Magnesium (MgO): 1.0 % w/w

Organic matter: 21,0 % w/w

Organic carbon: 12,0% w/w

Iron and copper chelated with EDTA
Seaweed species: (Ascophyllum nodosum) italic
pH range in which the stability of the chelated fraction is guaranteed: 2-9.


Physiochemical characteristics

Appearance: Liquid

Colour: Brown

pH (Direct): 6,7

Density: 1,24 Kg/L

Form of application and dosage

Fortymag® SL should be applied by foliar application for best results, but it can also be applied by root application.

Foliar application

Dosage (ha/application): 2-3 L/ha

No. of applications cycle: 2-3

Maximum recommended concentration (in application tank): 0,8%

Root application

Dosage (ha/application): 3-5 L/ha

No. of applications cycle: 2-3

Maximum recommended concentration (in application tank): 10%.

Indications for use

Fortymag® SL has no problems in its application. However, in case of doubt, it is recommended to carry out a previous compatibility test and always follow the basic recommendations for field application.

The recommendations and information we provide are the result of extensive and rigorous studies and tests. However, numerous factors beyond our control (preparation of mixtures, application, climatology, etc.) may intervene in the use of the product. PLYMAG, S.L. guarantees the composition, formulation and content. The user will be responsible for any damage caused (lack of efficacy, general toxicity, residues, etc.) by total or partial non-observance of the instructions on the label.

Which crops does it help?


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With the aim of offering the farmer different alternatives to increase the yield of his crops, PLYMAG has a wide range of products, among which the certified products for organic farming stand out.

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