SKB ZnSB
Zinc Solubilizing Bacteria for Enhanced Zinc Availability in Soil
SKB – ZnSB (Zinc Solubilizing Bacteria) is a beneficial microbial biofertilizer designed to convert insoluble zinc present in the soil into plant-available forms. Zinc is one of the most important micronutrients required for crop growth, enzyme activation, chlorophyll formation, and hormone regulation. However, a large portion of zinc present in the soil remains locked in insoluble forms and cannot be absorbed by plants.
SKB – ZnSB contains highly efficient strains of zinc solubilizing bacteria that release organic acids and enzymes in the rhizosphere, converting fixed zinc compounds into soluble zinc ions that plants can absorb easily. Research in soil microbiology and biofertilizer technology shows that the application of ZnSB significantly improves nutrient uptake efficiency, root development, chlorophyll synthesis, and overall crop yield.
This product plays a key role in improving micronutrient availability in soils that are deficient in zinc, which is a common problem in many agricultural regions. By enhancing zinc uptake naturally, SKB – ZnSB helps crops grow healthier, greener, and more productive while reducing dependence on chemical micronutrient fertilizers.
SKB – ZnSB Product Overview
| Feature | Details |
|---|---|
| Product Name | SKB – ZnSB |
| Category | Biofertilizer |
| Type | Zinc Solubilizing Bacteria |
| Formulation | Liquid / Carrier Based Microbial Culture |
| Function | Solubilizes unavailable zinc in soil |
| Mode of Action | Microbial conversion of insoluble zinc to plant available form |
| Application Method | Seed treatment, soil application, drip irrigation |
SKB – ZnSB Features and Benefits
Improves Zinc Availability
The bacteria produce organic acids that dissolve zinc compounds present in the soil, making them available for plant absorption.
Enhances Root Development
ZnSB stimulates better root growth which increases nutrient and water absorption capacity.
Improves Chlorophyll Formation
Zinc is essential for chlorophyll synthesis, resulting in greener plants and improved photosynthesis.
Increases Crop Yield and Quality
Regular application improves crop vigor, grain formation, fruit development, and overall productivity.
Reduces Micronutrient Deficiency
Helps correct zinc deficiency symptoms such as yellowing leaves, stunted growth, and poor flowering.
Eco-Friendly and Sustainable
A natural microbial solution that improves soil health without harmful environmental effects.
Improves Nutrient Efficiency
Enhances the availability of other nutrients by improving rhizosphere microbial activity.
Mode of Action
Zinc Solubilizing Bacteria present in SKB – ZnSB colonize the plant root zone (rhizosphere). These bacteria release organic acids such as gluconic acid, citric acid, and lactic acid which dissolve insoluble zinc compounds like zinc oxide, zinc carbonate, and zinc phosphate. The resulting soluble zinc ions become readily available for plant uptake.
This microbial process improves zinc mobility in soil and enhances nutrient absorption by plant roots.
Usage and Crop Recommendations
| Crop | Purpose | Application Method | Dosage |
|---|---|---|---|
| Cereals (Wheat, Rice, Maize) | Zinc deficiency correction | Soil application | 1–2 L per acre |
| Vegetables (Tomato, Chili, Onion) | Root growth and yield improvement | Drip / Soil | 1–2 L per acre |
| Fruit Crops (Grapes, Mango, Banana) | Micronutrient management | Drip irrigation | 2 L per acre |
| Pulses (Soybean, Chickpea) | Growth promotion | Seed treatment / Soil | 500 ml – 1 L per acre |
| Oilseeds (Groundnut, Mustard) | Nutrient uptake improvement | Soil application | 1 L per acre |
Method of Application
Seed Treatment: Mix required quantity with water and coat seeds before sowing.
Soil Application: Mix with FYM or compost and broadcast in the field.
Drip Application: Apply through drip irrigation system during early crop growth stages.
Best Time of Application
Apply during early crop stages when root development begins for maximum effectiveness.
Storage Instructions
Store in a cool and dry place away from direct sunlight.
Do not mix with chemical pesticides or fungicides during application.
Use before expiry date mentioned on the label.
Disclaimer
Always read the product label and instructions provided by the manufacturer before use. Follow recommended agricultural practices and safety precautions during application.





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