Organic Tea Farming : Biofertilizers for tea plantation

Utilizing biofertilizers and biopesticides in tea plantations is a key practice in sustainable agriculture, helping to improve plant health, manage pests and diseases, and enhance the quality of tea leaves.

The table below summarizes the specific microorganisms that function as biopesticides and biofungicides against common threats in tea plantations.

Microorganism & Function	Target Pest/Pathogen
Bacillus thuringiensis (Biopesticide)	Tea looper, tea thrips, red slug caterpillar, tea termite
Metarhizium anisopliae (Biopesticide)	Tea looper, red spider mite
Beauveria bassiana (Biopesticide)	Tea termite, bunch caterpillar, tea green leafhopper
Serratia marcescens (Biopesticide)	Scale insects
Microbial Consortia (Biofungicide)	Grey blight disease

🌱 Biofertilizers for Enhanced Tea Growth

Biofertilizers consist of beneficial microorganisms that enhance plant growth by improving nutrient availability.

• Nitrogen-Fixing and Phosphate-Solubilizing Bacteria: Microbes like Azospirillum can be applied as biofertilizers, helping tea plants acquire essential nutrients by fixing atmospheric nitrogen and solubilizing locked-up phosphorus in the soil.

• Mycorrhizal Fungi: These fungi form symbiotic relationships with tea plant roots, significantly improving the plant's uptake of water and minerals, particularly in acidic soils typical of tea plantations.

🛡️ Practical Application and Benefits

Adopting these biological agents is a core strategy of Integrated Pest Management (IPM), which aims to reduce reliance on synthetic chemicals.

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