Pravardhak-Mycorrhiza
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Nichino Pravardhak Biofertilizer: Advanced VAM Technology for Roots
Unlock the hidden potential of your soil with Pravardhak, a premium mycorrhizal biofertilizer designed to supercharge root systems and maximize nutrient uptake.
Modern agriculture often suffers from "tired soil" where nutrients are locked away. Pravardhak, manufactured by Nichino India, uses Vesicular Arbuscular Mycorrhiza (VAM) technology. Think of it as a "root extender." It forms a friendly partnership with your crop roots, expanding their reach by 100 times to access water and immobile nutrients like Phosphorus and Zinc that standard roots simply cannot reach.
Best For: Farmers looking to reduce fertilizer waste, improve drought tolerance, and boost long-term soil health in cereals, cotton, and vegetables.
Why Choose This Product? Key Benefits
- ⏱️Rapid Root Establishment: Accelerates deep root development immediately after germination, reducing transplant shock in vegetables.
- ?️Disease Resilience: Healthier roots with optimal nutrition naturally resist soil-borne pathogens and pest pressures better.
- ⏳Unlock Fixed Nutrients: Mobilizes "fixed" Phosphorus and Zinc that are stuck in the soil, making them available to the plant without extra fertilizer.
- ?️Drought Proofing: Microscopic fungal threads reach into tiny soil pores to extract water, keeping crops green during dry spells.
- ?Soil Structure Improvement: Produces "Glomalin," a natural glue that binds soil particles, improving aeration and preventing erosion.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Pravardhak |
| Technical Name | Biofertilizer (VAM - Vesicular Arbuscular Mycorrhiza) |
| IRAC MoA Code | Biological / Symbiotic Agent |
| Chemical Group | Glomeromycota (Beneficial Fungus) |
| Formulation | Granules (Carrier-based) |
| Toxicity Label | Green (Safe / Non-Toxic) |
How It Works: Mode of Action
Pravardhak works by establishing a symbiotic (mutually beneficial) relationship with the plant roots. It overcomes the "Depletion Zone"—the area around roots where nutrients are exhausted.
- Infection & Colonization: Upon application, fungal spores sense chemical signals from the plant roots and germinate, penetrating the root cortex to form a network.
- Network Expansion: The fungus grows extremely fine threads (hyphae) that extend far beyond the root zone, accessing soil pores too small for normal roots.
- Nutrient Exchange: The fungus delivers critical nutrients (Phosphorus, Zinc, Copper) and water to the plant. In return, the plant provides the fungus with sugars (energy).
This biological exchange significantly boosts the plant's metabolic efficiency and stress tolerance.
Target Crops & Pests
| Crop | Target Issue / Benefit |
|---|---|
| Cereals (Paddy, Wheat, Maize) | Enhances tillering, improves P uptake, increases grain filling. |
| Commercial (Cotton, Sugarcane) | Deep taproot formation, drought survival, higher boll retention. |
| Horticulture (Chilli, Tomato, Fruits) | Reduces transplant shock, prevents Zinc deficiency (Little Leaf). |
Dosage & Application Guide
The Golden Rule: Always follow the "Dose per Acre" for accurate results. Since Pravardhak is a soil conditioner, it must be applied to the root zone.
Dosage per Acre, Litre, & Pre-Harvest Interval (PHI)
| Crop | Dose (kg / Acre) | Mixing Medium | Application Type | PHI (Days) |
|---|---|---|---|---|
| Short Duration (Paddy, Wheat, Veg) | 4 kg | 50-100 kg FYM/Soil | Soil Broadcast | 0 (Safe) |
| Long Duration (Cotton, Sugarcane) | 8 kg | 100 kg FYM/Soil | Soil Broadcast | 0 (Safe) |
| Fruit Orchards (Mango, Citrus) | 50-100g / Tree | Ring Basin Soil | Root Zone Spot | 0 (Safe) |
*PHI = Pre-Harvest Interval: The minimum number of days to wait between the last spray and harvesting. Note: Columns adapted for Granular Soil Application.
How to Apply: Best Practices
- Timing: The best time to apply is at sowing or planting (Basal Dose). The fungus needs time to grow with the young roots.
- Mixing: Do not broadcast the granules alone (they are too light). Mix the 4kg pack with 50-100kg of Farm Yard Manure (FYM) or dry field soil for uniform spreading.
- Coverage: Ensure the product reaches the root zone. Incorporate it into the top 3-6 inches of soil. Surface application without mixing is less effective due to UV exposure.
- Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use.
Frequently Asked Questions
1. Can I use Pravardhak in drip irrigation?
No. Pravardhak is a granular formulation with a clay carrier that will clog drip emitters. Use it for soil application only. For drip, look for liquid VAM formulations.
2. Can I mix it with other chemical fertilizers?
Yes, it is compatible with Urea, DAP, and NPK. However, mix them just before application. Do not store the mixture for long periods as high acidity/salt can damage the spores.
3. Can I use fungicides with this product?
Avoid applying systemic soil-drench fungicides (like Carbendazim) within 7-10 days of applying Pravardhak, as they can kill the beneficial fungus. Foliar sprays are generally okay.
4. Does it expire?
Yes. Being a biological product, it contains living spores. The typical shelf life is 6 to 12 months. Store it in a cool, dry place away from direct sunlight.
5. Is it suitable for organic farming?
Yes, VAM is a naturally occurring fungus and is generally permitted in organic farming protocols to reduce dependency on chemical phosphorus.
Safety & Disclaimer
Always read and follow the instructions on the official product label. The information provided here is for guidance only. Use personal protective equipment (PPE) during application.
