Thorcal
Say goodbye to soft fruit.
- Category
- Biostimulant
- Formulation
- Soluble Liquid (SL)
- Key ingredients
- MDT + Poly-P + Calcium + B
- Application method
- Foliar & root application
- EU-compliant formulation
- Manufactured in Spain
- Batch-tested quality
Designed for maximum physiological response
Formulated with premium inputs to activate internal plant pathways and optimize harvest potential.
Maximum calcium vigor & firmness
Thorcal (Calcio Boost) is a highly concentrated Nitrogen-Calcium solution. It is vital for high-energy growth stages, reinforcing cell wall pectin layers to prevent typical physiological disorders (bitter pit in apples, blossom end rot in tomatoes, tip burn in lettuce).
Unlocking cations via Poly-P
Poly-P technology complexes soil ions like Calcium and Magnesium. This keeps the calcium soluble in irrigation lines and soil solutions, preventing the precipitation that typically occurs when mixing calcium with phosphates.
Metabolic vigor & NUE
MDT metabolic drivers stimulate nutrient assimilation and enzyme activity, allowing crops to use nitrate nitrogen and calcium with optimal energy efficiency.
The science of advanced nutrition technologies
DeltaChem products are engineered on a suite of proprietary technologies, each targeting a different lever of crop performance, from physiological activation and stress resistance to phosphorus availability and rhizosphere health.
Micro Drive Technology (MDT)
A patented process that extracts high-purity bacterial metabolites through a non-destructive, low-temperature method that preserves their biological activity. Acting with high specificity on the plant's physiological receptors, these compounds activate Induced Systemic Resistance (ISR) and Systemic Acquired Resistance (SAR), preparing crops to withstand both biotic and abiotic stress.
POLY-P Technology
Keeps phosphorus and calcium mobile, maximizing phosphorus assimilation, early root development, and vital energy transport (ATP). Combined with calcium and boron for enhanced fruit firmness and extended shelf life.
Guaranteed chemical analysis
Fully compliant composition parameters registered to guarantee precision crop response.
| Component / element | % w/v | % w/w |
|---|---|---|
| Water-soluble calcium oxide (CaO) | 22.2% | 14.9% |
| Total nitrogen (N) | 12.7% | 8.5% |
| Nitrate nitrogen | 11.3% | 7.6% |
| Ammoniacal nitrogen | 1.2% | 0.8% |
| Poly-P | 0.7% | 0.5% |
| Physical properties: pH: 5.0 | Density: 1.49 g/cm³ | ||
Crop-specific recommendations
Select your crop type below to display targeted dosage rates, timing guides, and recommended soil or foliar methods.
Recommended for high-value horticultural, fruit, citrus, olive, and berry crops.
| Growth stage | Application method | Recommended dosage | Key objectives |
|---|---|---|---|
| Spring sprouting start | Soil / fertigation | 3.0–5.0 L/ha | Accelerate shoot growth and canopy density |
| Pre-flowering | Foliar spray | 150–300 cc/hL | Improve flower quality and pollination strength |
| Petal fall | Foliar spray | 150–300 cc/hL | Minimize fruit drop rate and stimulate initial fruit load |
Apply during vegetative growth and fruit-set stages to maintain continuous development and stress resistance under greenhouse or open-field conditions.
| Growth stage | Application method | Recommended dosage | Key objectives |
|---|---|---|---|
| 4–6 Leaf Stage | Foliar spray | 150–300 cc/hL | Correct early micronutrient deficiencies |
| Vegetative development | Soil / fertigation | 3.0–5.0 L/ha | Develop robust lateral branch density |
| Cycle maintenance | Foliar spray | 150–300 cc/hL | Keep growth energy active under extreme heat |
Formulated to trigger high shoot density and oil accumulation in critical olive production cycles.
| Growth stage | Application method | Recommended dosage | Key objectives |
|---|---|---|---|
| Pre-flowering stage | Foliar spray | 150–300 cc/hL | Increase flower density and pollen viability |
| Follicle opening | Soil / fertigation | 3.0–5.0 L/ha | Improve leaf health and nutrient supply chain |
Enhances root recovery, flowering uniformity, fruit size, and Brix content from post-transplant through harvest intervals.
| Growth stage | Application method | Recommended dosage | Key objectives |
|---|---|---|---|
| White bud stage | Foliar spray | 150–300 cc/hL | Trigger strong early budding and branch structure |
| Active berry swelling | Soil / fertigation | 3.0–5.0 L/ha | Build skin firmness and fruit size uniformity |
Request technical documentation
Need full chemical specifications, crop-specific dosage guidelines, or Material Safety Data Sheets (MSDS) for Thorcal? Get in touch with our technical team directly.
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