BSL4 Agri — Product Description
Product Name / Brand
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BSL4 Agri (by Biofactor)
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Also appears as BSL4 liquid fertilizer / plant bio-stimulant.
What It Is / Composition
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A liquid fertilizer / biostimulant containing 2% Ortho Silicic Acid.
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Formulated to help plants tolerate abiotic stresses (temperature, water) and some nutrient stress (such as zinc deficiency) by improving plant resilience.
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Sold in sizes 500 mL and 1 L.
Key Benefits
| Benefit | Details |
|---|---|
| Stress Resistance | Helps plants endure high temperature (up to ~41 °C) and water stress. |
| Fungal Protection | By boosting the silicon content in plants, helps block entry of fungal pathogens on leaf surfaces. |
| Toxicity / Metal Stress Mitigation | Helps reduce negative effects of excess phosphorus, manganese, aluminium, and sodium. |
| Insect Defense | Forms a protective layer on leaves, helps deter sucking pests like thrips and aphids. |
Usage / Dosage & Application
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Dosage: 1 L per acre (spray rate of ~ 5 mL per litre of water) for most crops.
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Application Timing: When you observe stress (temperature, nutrient deficiency, disease), or proactively. Should be used twice at an interval of 7-10 days under stress or disease pressure.
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Mode: Foliar spray. Cover leaves well.
Suitable Crops
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Applicable to all crops (vegetables, field crops, fruit trees etc.).
Considerations / Precautions
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Ensure even foliar coverage so that silicon layer forms well.
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Use under suitable environmental conditions (avoid extreme sun immediately after spraying to prevent burn).
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Always test compatibility if mixing with other agrochemicals.
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Storage: keep sealed in cool, dry place (usual for such fertilizers) — although explicit label storage data not found in sources.


