Key Facts: Varieties — Syngenta Abhilash, Nunhems 2535, Seminis Arka Rakshak, Pusa Ruby, hybrid varieties | States — Andhra Pradesh, Maharashtra, Madhya Pradesh, Karnataka, Odisha, Gujarat | Crop type — Annual — multiple crops possible; main season Oct–March (Rabi), rainy season June–Sept
Stage-wise Fertilizer Programme
Nursery (Day 1–25)
Seedling production
| Application | Product / Dose / Method |
|---|
| Pro-tray media | Cocopeat + perlite 3:1 + Trichoderma 5g/tray |
| Seed treatment | Imidacloprid 5g/kg seed + Thiram 3g/kg seed |
| Nursery feeding | 19:19:19 0.3% foliar at 10 and 20 days — promotes root development |
Transplanting + Establishment (Week 1–2)
Field establishment
| Application | Product / Dose / Method |
|---|
| Basal application | FYM 20 MT/ha + SSP 300 kg/ha + MOP 80 kg/ha + Zinc 10 kg/ha + Boron 3 kg/ha |
| Root dip at transplanting | Phosphoric acid-based root promoter + Azospirillum 25g/plant |
| First drip dose | 19:19:19 @ 1 kg/100L immediately after transplanting |
Vegetative Phase (Week 3–6)
Canopy establishment
| Application | Product / Dose / Method |
|---|
| Nitrogen programme | Urea 80 kg/ha split 4 equal doses over 4 weeks |
| Calcium emphasis | CaNO3 40 kg/ha via fertigation for strong cell walls — prevents blossom end rot |
| Micronutrient spray | Zinc 0.2% + Boron 0.1% + Manganese 0.2% foliar × 2 |
| WSF fertigation | 20:20:20 @ 2.5 kg/100L × 2 applications |
Flowering Phase (Week 7–10)
Flower initiation and bud development
| Application | Product / Dose / Method |
|---|
| Phosphorus push | MAP 12:61:0 @ 2 kg/100L × 2 weeks — promotes fruit set |
| Calcium critical | CaNO3 60 kg/ha + CaCl2 0.5% foliar × 3 — prevents BER (blossom end rot) |
| Boron spray | Borax 0.1% at first flower and at 80% flower — prevents flower drop |
| Potassium start | MOP 40 kg/ha from week 9 |
Fruit Set and Development (Week 11–16)
Fruit sizing and cell multiplication
| Application | Product / Dose / Method |
|---|
| Balanced NPK | 13:0:45 WSF @ 3 kg/100L × 4 weeks for fruit size |
| Calcium spray continues | CaCl2 0.5% foliar weekly during fruit development — prevents cracking |
| Potassium high | SOP 60 kg/ha over 4 weeks |
| Micronutrient maintenance | Combo foliar (Zn+Fe+Mn+B) × 2 during fruiting |
Ripening Phase (Week 17–20)
Lycopene development and colour
| Application | Product / Dose / Method |
|---|
| Potassium final push | MKP 0.5% foliar × 3 for Brix and lycopene |
| No nitrogen | Stop nitrogen completely 3 weeks before final harvest |
| Final dose | SOP 0:0:50 @ 2 kg/100L × 2 through drip |
Micronutrient Programme
| Nutrient | Recommended Dose & Method |
|---|
| Calcium (Ca) | CaNO3 100+ kg/ha total + frequent CaCl2 foliar — prevents BER and cracking |
| Boron (B) | 3 kg/ha soil Borax + 0.1% foliar at flowering — prevents flower drop |
| Zinc (Zn) | ZnSO4 10 kg/ha soil + 0.2% foliar × 3 |
| Magnesium (Mg) | MgSO4 25 kg/ha fertigation if Mg-deficiency yellowing seen (older leaves) |
Deficiency Signs to Watch For
| Deficiency | Symptoms & Identification |
|---|
| Calcium deficiency | Blossom End Rot (BER) — dark sunken patch at blossom end of fruit. Most economically important deficiency in tomato |
| Boron deficiency | Flower drop, hollow stem, brown heart in fruits, crinkled terminal leaves |
| Magnesium deficiency | Interveinal yellowing of older leaves — starts at leaf margins, spreads inward |
| Zinc deficiency | Rosette, small leaves, interveinal chlorosis of young leaves, stunted growth |
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