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Stevia (Sweet Leaf) Cultivation Guide: Farming, Fertilisation & Protection
- , by Agriplex India
- 4 min reading time
Introduction
Stevia (Stevia rebaudiana) is a fast-growing natural sweetener crop gaining popularity in India due to its high market value, rising demand for sugar substitutes, and suitability for warm climates. It is ideal for farmers seeking a low-maintenance, high-profit crop with strong export potential.
1. Ideal Growing Conditions
- Climate: Warm, humid; 20–30°C
- Soil: Well-drained sandy loam; pH 6.5–7.5
- Sunlight: Full sun (6–8 hours/day)
- Spacing: 45 × 45 cm (40,000 plants/acre)
- Irrigation: Light but frequent; avoid waterlogging
2. Planting & Propagation
- Best method: Stem cuttings (higher survival & uniform quality)
- Planting time: Feb–March or Sept–Oct
- First harvest: 3–4 months after planting
- Harvesting: Cut stems 10–12 cm above soil
3. Fertilisation Schedule (Acre Basis)
| Stage | Fertiliser Recommendation |
|---|---|
| Basal | FYM/Compost: 4–5 tons + 40 kg neem cake |
| Veg. Growth (30–40 days) | 25 kg N + 20 kg P + 20 kg K |
| After every harvest | 20 kg N + 15 kg P + 15 kg K |
| Micronutrients | Foliar spray: Zn, Fe, Mg once/month |
Use organic manure + light N doses for best stevioside content.
4. Major Pests & Diseases (with Control Measures)
Combined Table
| Pest / Disease | Symptoms | Control Measures |
|---|---|---|
| Aphids | Curling leaves, sticky honeydew | Neem oil 5 ml/l; release ladybird beetles |
| Whiteflies | Yellowing leaves, sooty mold | Yellow sticky traps; neem 10 ml/l |
| Spider Mites | Leaf speckling, fine webbing | Spray wettable sulfur 2 g/l; maintain humidity |
| Root Rot (Fungal) | Wilting, dark root base | Improve drainage; drench Trichoderma 5 g/l |
| Leaf Spot | Brown circular spots | Copper oxychloride 2.5 g/l spray |
| Powdery Mildew | White powdery patches | Potassium bicarbonate 5 g/l / sulfur spray |
5. Key Management Tips
- Grow stevia on raised beds to avoid root diseases.
- Maintain light, frequent irrigation.
- Remove weeds regularly; stevia is sensitive to competition.
- Prune plants after every harvest to encourage new shoots.
6. Profit Potential
- Yield: 2–3 harvests/year; 2500–3000 kg leaves/acre
- Market price: High due to demand from food, pharma & health sectors
- ROI: Strong, especially when sold to buyers of natural sweeteners
Conclusion
Stevia farming is gaining strong momentum in India due to rising demand for natural sweeteners in the food, beverage, and health sectors. With its low water requirement, high profitability, and short harvest cycle, stevia is an excellent choice for farmers looking for sustainable and long-term income.
By following proper crop management, balanced fertilization, and timely pest/disease control, farmers can achieve high yields and premium quality leaves suitable for domestic and export markets.
