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Humuson Complex
A3 Biostimulant — product pack
Arvensis AgroBiostimulantsFoliarSoil drench

A3 Biostimulant

High-performance organo-mineral biostimulant designed to enhance stress tolerance, improve nutrient absorption and stimulate robust root and shoot growth.

Package sizes
250 g$101 kg$35
Listed for
cereals, fruit crops, brassicas, cauliflower, broccoli, cabbage, cucurbits, cucumber, butternut, watermelon, leafy vegetables, tomato, wheat, fruit trees
Application rate
1–1.5 kg soil application · per ha · see full guidance below
Ask about this productRequest application advice

Overview

  • Amino Acids: 30%
  • Seaweed Extract: 30%
  • Humic. & Fulvic Acids: 30%
  • Potassium Oxide (K20): 13%
  • Organic.Nitrogen (N): 5%
  • Magnesium (Mg): 2%
  • Mannitol: 1.4%
  • Alginiç Acid: 0.5%
  • Organic Matter:57%

A3 Biostimulant is a high-performance organo-mineral biostimulant designed to enhance stress tolerance, improve nutrient absorption and stimulate robust root and shoot growth. It optimizes metabolic processes, strengthens soil health and boosts plant resilience against abiotic stressors like drought, salinity and extreme temperatures. A3 Biostimulant is critical for increasing crop yield, quality and adaptability across diverse conditions, making it suitable for cereals, fruits, vegetables,

Package Size:1 KG

Rate per Ha: 1kg-1.5kg (soil application) 100g/100L of water (foliar application) depending on crop and application method

Benefits

  • 30 % amino acids with algae extracts and humic substances in one formulation
  • Supports flowering, fruit set and recovery through stress periods
  • Low doses: 0.25–0.5 kg/ha foliar or 1–1.5 kg/ha to the soil

Composition

As published by the producer.

  • Total amino acids — 30 % w/w (free amino acids 30 % w/w)
  • Total nitrogen — 5 % w/w (organic nitrogen 5 % w/w)
  • Algae extracts (Ascophyllum nodosum) — 30 % w/w
  • Mannitol — 1.4 % w/w · Alginic acid — 0.5 % w/w
  • Potassium oxide (K₂O) soluble in water — 13 % w/w
  • Total humic extract — 30 % w/w (fulvic acids 30 % w/w)
  • Magnesium (Mg) soluble in water — 2 % w/w
  • Organic matter 57 % w/w · dry matter 96 % w/w · pH 3–5
  • Ingredients: seaweed (Ascophyllum nodosum), hydrolysed vegetable amino acids, leonardite, potassium hydroxide, magnesium sulphate

How to apply

FoliarSoil drench
RateBasisNotes
1–1.5 kgsoil application · per haGeneral dose per label.
0.25–0.5 kgfoliar application · per haGeneral dose per label.
1kg – 1.5kgper Ha (soil application)Depending on crop and application method.
100g / 100L of waterfoliar applicationDepending on crop and application method.

Please confirm the recommended application for your crop and conditions with Humuson technical support — basic consultation is free.

Suitable crops

As listed in the product’s published guidance.

cerealsfruit cropsbrassicascauliflowerbroccolicabbagecucurbitscucumberbutternutwatermelonleafy vegetablestomatowheatfruit trees

Growth stages

Stages referenced in the product’s own guidance.

FloweringFruiting
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