Bio Charge - K-N Fertigation Blend
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Nutrition through the root zone
BioCharge K-N Fertigation Blend is a customisable product with nutrient and biostimulant inputs tailored to your crop, growing conditions and programme. Potassium, nitrogen, humic and fulvic acids form the starting basis; the final blend is tailored. Designed for orchard fertigation systems, it delivers essential nutrients through irrigation to support root-zone uptake, canopy health, fruit development, and consistent crop performance.
Product typeLiquid fertigation blend
Key nutritionPotassium + nitrogen
Enhanced withHumic + fulvic acids
Pack sizeConfirm with Bio Charge
Inside the formulation
Tailored crop nutrition with organic-acid support
- Potassium supports fruit sizing, firmness, colour, quality, and yield.
- Nitrogen supports steady vegetative growth and canopy health through the growing and harvest period.
- Humic acid supports nutrient availability, cation exchange capacity, soil function, and root development.
- Fulvic acid supports efficient nutrient movement and uptake within a root-zone programme.
Regular fertigation places the blend into the active root zone, creating a practical way to maintain crop nutrition through fruit sizing and harvest.
Why K-N Fertigation Blend
Key benefits
- Delivers potassium and nitrogen consistently through the harvest window
- Supports fruit sizing, firmness, colour, quality, and storage potential
- Supports nutrient availability and root-zone absorption
- Helps reduce avoidable nutrient losses through direct root-zone delivery
- Humic and fulvic acids support roots, soil structure, and microbial activity
- Simple application through suitable drip or micro-spray systems
Where it fits
Ideal applications
- Orchards using drip or micro-spray fertigation
- Fruit sizing, ripening, and harvest nutrition programmes
- Growers seeking steady nutrient availability instead of large single doses
- Programmes focused on fruit quality, colour, firmness, and yield
- Blocks where direct root-zone delivery is a priority
- Orchard nutrition programmes that also consider soil and root performance
BioCharge recommendations
Fertigation approach
Small, consistent dosesAgree the rate and frequency with Bio Charge for your crop and irrigation programme.
Crop-specific programmeBio Charge works with you to determine formulation, rate and frequency using soil and fungal-to-bacterial balance testing, crop requirements, growth stage and irrigation performance. A single unit does not imply fixed coverage for every block.
- Apply through a suitable drip or micro-spray irrigation system.
- Inject evenly through the fertigation tank or injector unit over the irrigation cycle.
- You supply the irrigation water: the blend is delivered through your normal orchard irrigation programme.
- Maintain normal irrigation scheduling to support movement into the active root zone.
- Agitate thoroughly before use to keep nutrients and organic acids evenly distributed.
- Avoid direct mixing with highly acidic or calcium-based products unless a jar test confirms compatibility.
Important: Confirm the current pack size, label and orchard-specific dosing programme with Bio Charge. Soil and fungal-to-bacterial balance testing are recommended. Always follow the current BioCharge label and match rate and frequency to block size, crop load, crop stage, irrigation performance, leaf and soil testing, and qualified orchard advice.
Exclusive North Island distributor
North Island supply through Rainbow & Brown
Rainbow & Brown is BioCharge's exclusive North Island distributor. Contact its team to confirm current K-N Fertigation Blend availability, purchase support, freight, and delivery options.
Nutrition through the root zone
Keep potassium and nitrogen moving through harvest.
BioCharge K-N Fertigation Blend is a customisable product with nutrient and biostimulant inputs tailored to your crop, growing conditions and programme. Potassium, nitrogen, humic and fulvic acids form the starting basis; the final blend is tailored. It is designed to supply essential nutrition directly through orchard fertigation systems while supporting root-zone efficiency and crop performance.
Inside the formulation
Balanced crop nutrition with organic-acid support.
Potassium and nitrogen support fruit development and canopy health, while humic and fulvic acids help improve nutrient availability and root-zone performance. The result is a practical liquid input designed for consistent delivery through irrigation.
Why K-N Fertigation Blend
Efficient nutrition delivered where orchard roots are active.
Consistent nutrition
Delivers potassium and nitrogen in small, regular doses across the harvest window.
Fruit quality
Supports fruit sizing, firmness, colour, and storage potential.
Efficient uptake
Direct root-zone delivery helps improve nutrient availability and reduce avoidable losses.
Root and soil support
Humic and fulvic acids support root growth, microbial activity, and soil structure.
Exclusive North Island distributor
North Island supply through Rainbow & Brown.
Rainbow & Brown is BioCharge's exclusive North Island distributor. Contact its team to confirm current K-N Fertigation Blend availability, purchase support, freight, and delivery options.
Where it fits
Drip-irrigated orchards
Designed to dose through standard orchard fertigation systems.
Harvest programmes
Supports consistent nutrient availability through fruit sizing and harvest.
Fruit quality goals
A practical fit where quality, colour, firmness, and yield are priorities.
Soil-aware nutrition
Combines crop nutrition with organic acids that support root-zone performance.
Designed around orchard irrigation and harvest demand.
BioCharge recommendations
Our recommended fertigation approach.
K-N Fertigation Blend is intended for measured delivery through suitable orchard irrigation systems. The mixing, compatibility, dosing, and monitoring guidance shown here is supplied by BioCharge.
Use drip or micro-sprayApply through a suitable orchard drip or micro-spray irrigation system.
Inject evenlyDose through the fertigation tank or injector unit and distribute evenly across the irrigation cycle.
Small, consistent dosesAgree rate and frequency with Bio Charge for your crop and irrigation programme. Apply small, consistent doses.
Match the blockBio Charge works with you to determine formulation, rate and frequency using testing, crop requirements, growth stage and irrigation performance. A single unit does not imply fixed coverage for every block.
Agitate thoroughlyMix thoroughly before use to keep nutrients and organic acids evenly distributed.
Maintain irrigationMaintain normal irrigation scheduling to support movement into the active root zone.
Check compatibilityAvoid direct mixing with highly acidic or calcium-based products unless a jar test confirms compatibility.
Use test informationSoil and fungal-to-bacterial balance testing are recommended. Agree formulation, rate and frequency with Bio Charge using crop requirements and irrigation performance.
Always read and follow the current BioCharge product label. Match rate and frequency to crop stage, block size, crop load, soil and leaf testing, irrigation performance, and qualified orchard advice. Jar-test unfamiliar tank mixes before use.
Plan the harvest window
Talk to the team
Build a consistent root-zone nutrition programme.
Talk with BioCharge about block size, irrigation setup, crop stage, and a suitable K-N dosing programme.