Rokohumin Duplo
A fully solubilized liquid concentrate with balanced NPK nutrition, humic acids, and 18 amino acids. One product for root, foliar, and hydroponic application.
Nutrient content, per label
| Nutrient | Guaranteed spec | Function |
|---|---|---|
| Total Nitrogen (N) | 3.9% (m/m) | Vegetative growth & chlorophyll synthesis |
| Available Phosphate (P₂O₅) | 2.5% (m/m) | Root establishment & floral development |
| Soluble Potash (K₂O) | 3.9% (m/m) | Water regulation, fruit/flower quality, stress tolerance |
| Natural matter | Humic + amino acids | Soil microflora and nutrient chelation in the root zone |
| Appearance | Dark brown to black | Stable liquid suspension, mild natural odor |
Rates & frequency, per official label
| Method | Dilution / rate | Timing & frequency |
|---|---|---|
| Root / drench | 7.5–10 ml per 1 L water (about 1.0–1.3 fl oz per gallon) | To root zone. Repeat every 2–3 weeks. |
| Foliar | 5–7.5 ml per 1 L water (about 0.6–1.0 fl oz per gallon) | Evening application. Repeat every 7–14 days. |
| Hydroponic | 7.5 ml per 1 L water (about 1.0 fl oz per gallon) | Replace solution every 14 days. |
| Commercial field | 2.5 L/hectare in 100–200 L water (about 34 fl oz per acre, in 10.7–21.4 gallons of water per acre) | Adjusted by crop type and growth stage. |
See how far one bottle goes
Estimate how much Rokohumin Duplo you need, based on official label application rates.
Before you apply
Shake and mix thoroughly before use to ensure consistency.
Following soil treatment, exclude farm animals from treated areas for a minimum of 21 days.
Store in a dry, dark place above +4°C (39°F). Shelf life 36 months.
PPE: goggles (EN 166), protective gloves (EN 374), protective clothing.
Has been used alongside common fungicides, pesticides, and select herbicides in tank-mix applications. There’s no blanket compatibility claim: avoid mixing with calcium-based products, use caution with magnesium-based products, and jar-test each tank-mix partner (test at field ratio, observe for 10–15 minutes) before full-scale application.
Independently lab-tested
Independent testing performed by an ISO/IEC 17025-accredited laboratory.
Have a question about dosing, storage, or compatibility? Check our Questions & Answers.