NACHURS Humi-flex® FA is a pure fulvic concentrate of unique organic acids developed to improve nutrient-use efficiency and support greater biological activity within the soil.
Sourced from pure leonardite ore rich in organic matter, Humi-flex FA undergoes a double-extraction process that produces a clean, translucent, bioactive liquid containing concentrated fulvic acid. Fulvic acids are smaller and more active than larger humic compounds, allowing Humi-flex FA to perform efficiently at application rates as low as 0.5–2 pints per acre.
Applied during critical stages of crop growth, NACHURS Humi-flex FA helps promote the availability and uptake of phosphorus and micronutrients. It can be incorporated into soil-applied, in-furrow, banded, foliar, fertigation, and drip-irrigation programs, giving growers a flexible way to improve the performance of an existing fertility program.
Humi-flex FA is formulated for compatibility with liquid fertilizers and crop-protection solutions. Its easy-handling liquid formulation can be splash blended, stores well, and is approved for use in organic production.
Composition
Soil-Amending Active Ingredient
Inactive Ingredients
- Carboxylic Acid and Water: 97%
Ideal Applications
- In-furrow fertility programs
- 2×2 and other banded applications
- Foliar nutrient applications
- Drip-irrigation systems
- Fertigation programs
- Liquid fertilizer blends
- Crop-protection tank mixes
- Organic crop-production programs
- Fields requiring improved phosphorus efficiency
- Programs targeting greater micronutrient availability
- Applications during critical periods of crop growth
- Soil-management programs focused on biological activity
Soil-Applied Rate
Apply 1–2 pints per acre with fertilizer or water in-furrow, in a 2×2 band, or through another suitable soil-placement method.
Soil applications are designed to support phosphorus and micronutrient efficiency. Repeated applications may be beneficial depending on crop and soil requirements. Agitation may be required when Humi-flex FA remains mixed with fertilizer for an extended period.
General Foliar Rate
Apply 0.5–1 pint per acre with sufficient water to provide thorough and uniform coverage by ground or aerial equipment.
Foliar applications may be repeated during critical growth periods according to crop requirements and professional fertility recommendations.
Fertigation Rate
Apply 1–2 pints per acre through drip irrigation during critical periods of crop growth and development.
Fertigation applications are designed to support nutrient uptake and nutrient-use efficiency. Repeated applications may be beneficial.
Blending and Compatibility
For best results, add NACHURS Humi-flex FA to the application tank first. Add the fertilizer solution afterward and mix thoroughly.
Although Humi-flex FA is formulated for broad compatibility with liquid fertilizer and crop-protection solutions, always perform a proportional jar test before large-scale mixing. Compatibility can vary according to the water source, fertilizer analysis, pesticide formulation, temperature, concentration, and storage period.
Why Growers Choose NACHURS Humi-flex FA
Nutrient application alone does not guarantee that every nutrient will remain available for crop uptake. Soil conditions and chemical interactions can reduce the efficiency of phosphorus and micronutrient applications.
NACHURS Humi-flex FA provides growers with a concentrated fulvic acid catalyst that helps promote nutrient availability and supports soil bioactivity. Its low use rate and flexible application options allow it to fit easily into soil, foliar, fertigation, and organic fertility programs without requiring major changes to existing application practices.
Humi-flex FA is intended to supplement a complete fertility program. Always follow label directions and consult an authorized NACHURS distributor or agronomist for crop- and field-specific recommendations.
Increase nutrient efficiency. Energize soil activity. Get more from every fertility application. 
