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Janus

Fast‑absorbing foliar nitrogen with balanced micros delivers efficient nutrition designed by growers, for growers everywhere.

Fast uptake, lasting nutrition
Balanced nutrition in one pass
Grower driven, field proven design

SKU: JANUS Crops: , , , , Challenge:

JANUS is a controlled‑release foliar nitrogen fertiliser delivering fast, efficient uptake of amide nitrogen with balanced macro‑ and micro‑nutrients. Designed by growers, for growers, JANUS simplifies spray programs while supporting crop performance, nutrient efficiency, and consistent results across key arable and forage crops.

Element Form w/v %
Nitrogen N 19.84
As amide Nitrogen - 18.47
As Nitrate Nitrogen - 1.36
Potassium K2O 5.82
Calcium CaO 2.23
Magnesium MgO 2.48
Manganese Mn 0.12
Boron B 0.21
Zinc Zn 0.12

JANUS – Precision Foliar Nutrition, Designed by You, for You

Modern crops demand more than blanket nutrition. They require precision, balance, and efficiency, delivered exactly where and when it’s needed. JANUS is a next-generation foliar nitrogen fertiliser, developed directly from grower feedback, to deliver targeted macro and micronutrients in one highly efficient, controlled-release solution.

Designed by growers, for growers, JANUS simplifies foliar programs while maximising nutrient uptake, crop performance, and return on investment.


Balanced Nutrition Where It Matters Most

JANUS is a foliar-applied, controlled-release nutrient fertiliser containing amide nitrogen, supported by a carefully balanced package of supplementary macro and micronutrients. Each application supplies:

  • Amide nitrogen: For efficient foliar uptake and sustained availability.
  • Potassium (K): To drive growth, photosynthesis, and stress tolerance.
  • Calcium (Ca): For cell wall strength, nutrient movement, and resilience.
  • Magnesium (Mg): To support chlorophyll and energy transfer.
  • Manganese (Mn), Boron (B), and Zinc (Zn): To enhance enzyme activity and reproductive development.

Controlled Release, Rapid Uptake

Foliar nutrition is only effective if nutrients are absorbed before spray droplets dry. Using proven Flex Technology, JANUS enables nutrients to enter the leaf faster and remain available within plant tissues for longer. The result is greater nutrient efficiency per application and more predictable performance under challenging conditions.


Reduce Tank Mix Complexity

JANUS was formulated specifically to reduce unnecessary tank mixing, streamlining foliar programs without sacrificing crop nutrition. By combining nitrogen with essential supplementary nutrients in one product, JANUS:

  • Reduces product handling and decision fatigue.
  • Simplifies spray programs.
  • Improves timing accuracy and nutritional balance.

Built on Experience, Proven in the Field

JANUS is part of AIVA’s foliar nitrogen range, representing the next step forward in foliar nutrition technology. Already established across multiple European markets, it delivers consistent results across a wide range of crops and growing systems.


Designed for Versatility Across Cropping Systems

JANUS is suitable for cereals, oilseed rape, grassland, and fodder and sugar beet. Its controlled-release, foliar-efficient formulation allows growers to respond quickly to crop demand, weather windows, and tissue test feedback.


JANUS — Precision nutrition that works harder, absorbs faster, and delivers more—when crops need it most.

An inclusive multi-nutrient package, JANUS is foliar applied and is a combination product for nutritional programs. Safe to use and easily mixed, JANUS is versatile and can be applied to many crops, including Cereals, Fodder/sugar beet, Grassland, and OSR. Applications vary between crop and range from 5 L/ha to 50 L/ha dependant on scenario and timing.

Crop Timing Rate L/ha Water Rate L/ha Comments
Cereals Tillering 10-20 100-250 In conjunction with soil applied N strategies
Stem extension 20-30 100-250 -
Flag leaf 30-50 100-250 -
Fodder / Sugar Beet 6 leaves 5-15 100-250 -
12 leaves 10-20 100-250 -
Full canopy 20-30 100-250 -
Grassland Grazing 10-20 100-250 Apply minimum 14 days before grazing at higher rates
Silage 30-50 100-250 Apply minimum 14 days before cutting at higher rates
Oilseed Rape First true leaves 5-10 100-250 -
Stem extension 10-20 100-250 -
Pre-flowering 20-50 100-250 -
80% petal drop 20-50 100-250 -

Repeat as necessary at 10-14 day intervals.


  • Agronomy: Use as part of a good agronomic programme as part of an INM (Integrated Nutrient Management) strategy.
  • Monitoring: Take tissue tests or sap analysis to ascertain whether JANUS is required to prevent phytotoxicity, nutrient luxury.
  • Conditions: Consider weather condition at time of application.
  • Testing: Tank mixing, jar test pre application and patch test to check for adverse reaction.
  • Consultancy: Contact your AIVA FERTILISER Nutrition Consultant for agronomic advice regarding JANUS.

Please see product label for specific directions of use.

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