Quantum·Macronutrients
Quantum ExtraFos Super
Quantum ExtraFos Super — a liquid concentrated phosphite stimulant fertilizer with P₂O₅ 580 g/l, K₂O 225 g/l and nitrogen 80 g/l for foliar feeding and fertigation.
Main advantages
- Phosphite, P₂O₅ 580 g/l — root system growth
- K₂O 225 g/l and N 80 g/l — start of plant development
- Fertigation 2–4 l/ha — solution no higher than 2%
- Into the tank last — after pesticides and fertilizers
- Not on plants under heat stress — caution
Overview
About this product
Quantum ExtraFos Super — a concentrated liquid stimulant fertilizer with a high phosphorus content in phosphite form, potassium and nitrogen. It contains 580 g/l of P₂O₅, 225 g/l of K₂O and 80 g/l of N; pH 5.5–7.0.
Per the maker, it stimulates root system growth, so uptake of moisture and nutrients from the soil increases. As a foliar it is applied: cereals and oilseeds 1.0–2.0 l/ha, legumes 1.0–2.5, sugar beet 0.5–1.0, vegetable crops 1.0–2.0 l/ha.
In fertigation 2–4 l/ha, concentration no higher than 2%. Do not use on plants with severe phosphorus deficiency or under heat stress.
Application
Rate, timing and crops
Rate
Winter and spring wheat, winter and spring barley, rye
- Application rate, l/ha
- 1.0–2.0
- Growth and development stage
- Tillering (BBCH 21–29); stem elongation – flag leaf (BBCH 30–49)
Maize
- Application rate, l/ha
- 1.0–1.5
- Growth and development stage
- 3–5 leaves (BBCH 13–15)
Maize
- Application rate, l/ha
- 1.5–2.0
- Growth and development stage
- 6–8 leaves (BBCH 16–18)
Winter and spring oilseed rape, mustard
- Application rate, l/ha
- 1.0–2.0
- Growth and development stage
- Spring rosette – stem extension (BBCH 21–39); budding (before flowering) (BBCH 50–61)
Sunflower
- Application rate, l/ha
- 1.0–1.5
- Growth and development stage
- 2–3 pairs of leaves (BBCH 14–16)
Foliar rates by crop: cereals and oilseeds 1.0–2.0 l/ha; legumes 1.0–2.5 l/ha; sugar beet 0.5–1.0 l/ha; vegetable crops 1.0–2.0 l/ha; fruit and berry crops 2.0–3.0 l/ha
- Timing
Fertigation: first application with the first spring irrigation, subsequent ones at three-month intervals or as needed
- Method
Foliar feeding with standard sprayers: spray solution 200–400 l/ha for field and vegetable crops, 500–1000 l/ha for grapes and fruit crops
Fertigation on drip irrigation: 2–4 l/ha depending on the crop and the phytosanitary state of the plants; do not exceed a 2% spray solution concentration (2 l per 100 l of water) per application
- Conditions
Do not use on plants with severe phosphorus deficiency or under heat stress
Prepare the spray solution immediately before application
- Tank mix
Fill the tank 2/3 with water and, while stirring, add pesticides and fertilizers one at a time and Quantum ExtraFos Super last, waiting until the previous component is evenly mixed
Joint application with plant protection products and other fertilizers is possible; before mixing, check compatibility: a test solution must not form a precipitate, slight turbidity is acceptable
- Crops
- WheatBarleyRyeMaizeOilseed rapeMustardSunflowerSoybeanPeaSugar beetFodder beetTomatoesPepperAuberginesCucumbersOnionGarlicCabbageGrapesPome fruitStone fruitBerry cropsNut crops
Figures from the manufacturer, Quantum. Source page
Specifications
Nutrient composition
| Brand | Quantum |
|---|---|
| Type | Phosphorus |
Composition
| |
| Form | Liquid |
| Density | 1.40–1.45, unit not stated(kg/l in the specifications) |
| pH | 5.5–7.0 |
| Application | Foliar, Fertigation |
| Target Crops | Wheat, Barley, Rye, Corn, Rapeseed, Mustard, Sunflower, Soybean, Peas, Sugar Beet, Fodder beet, Tomato, Pepper, Eggplant, Cucumber, Onion, Garlic, Cabbage, Grapes, Pome fruit, Stone fruit, Berry crops, Nut crops, Winter wheat, Spring wheat, Winter barley, Spring barley, Winter rapeseed, Spring rapeseed, Currant, Raspberry, Strawberry |
| Manufacturer | НВК «Квадрат» |
| Packaging | 5 l; 20 l |
| Origin country | Ukraine |
Vendor offers
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Questions & answers
What farmers ask most
- Rates depend on crop, prior history and soil analysis. This is a straight fertiliser, not an NPK complex at 150–300 kg/ha. An agronomist sets the dose from nutrient offtake.
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Product specifications are compiled from publicly available manufacturer sources and are provided for guidance only — confirm all details with the vendor before purchase. Brand names, logos and trademarks are the property of their respective owners; a listing on ADAM does not imply affiliation, sponsorship or endorsement.