Engrais liquide pour tournesol - 10 litres

Strong Early Growth and Uniform Sunflower Establishment

Organifer Sunflower Liquid Fertiliser is designed to support vigorous, balanced growth in sunflowers (Helianthus annuus) from early development onward. Sunflowers are fast-growing plants with high nutritional demand during stem elongation and bud formation. The 3-4-3 formulation provides a stable nutrient base that supports uniform emergence, steady vegetative growth, and strong plant architecture without overstimulation.

Robust Stem Development and Plant Stability

Sunflowers are known for their height and large flower heads, which require strong, well-supported stems. This liquid fertiliser supplies balanced phosphorus and potassium to reinforce stem structure and improve mechanical strength. Adequate calcium and magnesium availability further supports cell wall development, helping plants remain upright even under wind exposure or heavy flower heads.

Enhanced Bud Formation and Flower Quality

Phosphorus plays a key role in early bud initiation and flower development in sunflowers. Organifer Sunflower Liquid Fertiliser supports uniform bud formation and promotes large, well-shaped flower heads with consistent petal colour. Amino acids enhance metabolic activity during flowering, supporting efficient energy use and reliable bloom development across different sunflower varieties.

Properties

✔ Supports strong, upright growth in sunflowers
✔ Promotes thick stems capable of supporting large flower heads
✔ Enhances uniform bud formation and flower size
✔ Improves nutrient uptake and root efficiency
✔ Contains amino acids to support growth and stress recovery
✔ Supports balanced development without excessive vegetative growth
✔ Enhances plant stability in windy or exposed conditions
✔ Suitable for ornamental and seed-producing sunflowers
✔ Vinasse-free formulation for clean, residue-free feeding

Improved Nutrient Uptake and Root Efficiency

Healthy root systems are essential for sunflowers to absorb water and nutrients efficiently during rapid growth phases. This liquid fertiliser improves nutrient mobility in the soil and supports active root growth, allowing plants to meet their high demand during stem elongation and flowering. Amino acids further enhance nutrient uptake and help plants recover more quickly from temporary stress.

Stress Tolerance During Rapid Growth Phases

Sunflowers grow quickly and can be sensitive to nutrient imbalance during key stages. Organifer Sunflower Liquid Fertiliser supports balanced growth that reduces the risk of weak stems or uneven development. Potassium improves internal water regulation, helping plants cope with heat, bright sunlight, and fluctuating moisture conditions common during the growing season.

Suitable for All Sunflower Types and Uses

This sunflower liquid fertiliser is suitable for ornamental sunflowers, giant varieties, dwarf sunflowers, and seed-producing types grown for oil or edible seeds. It performs well in home gardens, raised beds, borders, and professional field production. The vinasse-free formulation ensures clean feeding, while amino acids support consistent growth across different soil types and growing systems.

Composition

3.0% Total nitrogen (N)
4.0% Total phosphorus pentoxide (P₂O₅)
3.0% Total potassium oxide (K₂O)
45% Dry matter
26% Organic matter
2.9% Organic nitrogen
0.1% Ammonium nitrogen
0.8% Magnesium oxide (MgO)
1.0% Sulphur trioxide (SO₃)
0.1% Calcium oxide (CaO)
pH: 4.0

Dosage

Number of applications: 3–5
Start: At early growth
Repeat: Every 10–14 days
Foliar spraying: 3–10 ml per 1 litre of water
Fertigation: 1–2 ml per 1 litre of water
Standard dose: 6–10 L per ha

Maintain consistent soil moisture throughout the growing period, especially during stem elongation and bud development. Ensure adequate calcium and magnesium availability to support strong stems and prevent lodging. Avoid excessive nitrogen, as this can cause tall but weak growth with thinner stems. Provide full sun exposure to maximise flower size and uniformity. Tall or giant sunflower varieties may benefit from light support in exposed locations.

Storage

When stored under stable, frost-free conditions and protected from direct sunlight, this liquid fertiliser maintains its quality for an extended period. Closed containers preserve the formulation effectively, while any diluted solution should be used promptly to ensure optimal performance and purity.