Tomato plant water requirement - typically needs about 0.8–2 liters of water per day

A mature tomato plant typically needs about 0.8–2 liters of water per day, which adds up to roughly 24–60 liters per month and 288–720 liters per year.

Here’s a detailed breakdown based on growth stage, climate, and soil conditions:

🍅 Daily Water Requirement

  • Seedlings (0–1 month): 0.3–0.5 liters/day to keep soil moist.

  • Growing plants (1–2 months): 0.5–1 liter/day as roots expand.

  • Mature fruiting plants (2+ months): 0.8–2 liters/day depending on temperature and soil type.

Tomatoes generally require 1–2 inches of water per week, which translates to about 0.14–0.28 inches/day or 0.8–2 liters/day per plant.

📅 Monthly Water Requirement

  • Average range: 24–60 liters/month per mature plant.

  • Seasonal variation:

    • Hot/dry season: May need up to 75 liters/month.

    • Cooler months or rainy season: As low as 20 liters/month.

📈 Annual Water Requirement

  • Estimated total: 288–720 liters/year per plant.

  • Factors influencing this:

    • Local rainfall and humidity

    • Soil drainage and retention

    • Irrigation method (drip vs overhead)

    • Planting density and crop duration

💧 Irrigation Tips for Tomatoes

  • Water deeply and consistently to prevent fruit cracking and blossom end rot.

  • Avoid shallow watering—roots should reach 6–8 inches deep.

  • Best times to water: early morning or evening to reduce evaporation.

  • Monitor soil moisture and adjust based on weather and plant growth stage.

Proper watering is crucial for healthy fruit development and disease prevention. Would you like help planning a tomato irrigation schedule or estimating water needs for a larger crop?

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