Tomato is one of the most popular and profitable vegetable crops grown throughout India. It can be cultivated in almost all seasons and regions, provided there is a suitable temperature and good irrigation. Farmers who plan to grow tomato successfully should first understand the seed rate and spacing, as these two factors directly affect plant population, yield, and fruit quality.
Let’s look at the simple and practical guidelines for seed rate and spacing in tomato cultivation.
1. Choosing good seed and preparation
Before discussing seed rate, remember that seed quality plays a big role in successful tomato farming. Always choose high-yielding, disease-resistant varieties or hybrids that suit your local climate. For example, some varieties perform better in winter (Rabi) while others suit summer or rainy seasons.
Seeds should be clean, healthy, and treated with a fungicide or biological product like Trichoderma to prevent damping-off disease in the nursery stage.
2. Seed rate for tomato
The seed rate depends mainly on the type of tomato variety (local or hybrid) and whether the crop is raised in an open field or under protected conditions like a polyhouse.
For local or open-pollinated varieties, about 250–300 grams of seed per hectare is sufficient.
For hybrid varieties, 100–150 grams per hectare is enough because hybrid seeds are more vigorous, and fewer are needed.
It is always advisable to raise seedlings in a nursery bed or pro-tray, rather than direct sowing in the main field. Raising seedlings under controlled conditions allows better germination, healthier plants, and easier transplanting.
3. Nursery and transplanting
Prepare raised nursery beds (1 meter wide and convenient length) in a shaded area. Sow seeds in lines 5–7 cm apart and cover lightly with fine soil or compost. Water gently and regularly. Seedlings will be ready for transplanting in about 25–30 days when they reach 12–15 cm height and have 4–5 true leaves.
Before transplanting, harden the seedlings by reducing irrigation for a few days. Transplant in the evening to reduce stress and ensure better establishment.
4. Spacing in tomato
Proper spacing allows good air movement, sunlight penetration, and easy intercultural operations. The spacing varies slightly with the type of variety and growth habit.
For bushy (determinate) varieties: Keep a spacing of 60 cm between rows and 45 cm between plants within a row.
For indeterminate (tall or staking) varieties: Keep 90 cm between rows and 60 cm between plants.
This spacing provides enough room for growth and allows easier pruning, spraying, and harvesting.
In polyhouses or drip irrigation setups, spacing can be slightly adjusted based on plant vigor and system design. Always avoid overcrowding because it leads to pest and disease problems, especially during humid weather.
5. Additional tips for better growth
Apply well-decomposed farmyard manure (about 20–25 tonnes per hectare) before transplanting.
Keep soil moist but not waterlogged. Drip irrigation works best for uniform moisture.
Maintain good weed control and stake the plants where necessary.
Monitor regularly for pests like fruit borer and whitefly, and manage them early.
Conclusion
The correct seed rate and spacing form the foundation of a healthy tomato crop. Using about 100–300 grams of quality seed per hectare and maintaining 45–90 cm spacing (depending on the variety) ensures strong plants, better fruiting, and higher yields. With proper nursery care, transplanting, and spacing, farmers can achieve uniform crops and maximize profits from tomato cultivation season after season.
