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Tomato

Greenhouse For Tomato Production

Tomato is the most widely grown protected crop in the world and the benchmark for greenhouse investment returns. A greenhouse for tomato must deliver high light, generous internal height, precise humidity control and a substrate system that supports a nine to eleven month high-wire cycle.

High-wire tomato crop rows inside a commercial greenhouse
Yield range
40 – 100+ kg/m²/yr
Crop cycle
9 – 11 months
Gutter height
6 – 8 m
Plant density
2.3 – 2.8 plants/m²

01

Growing requirements

Target conditions that the greenhouse design has to make achievable.

ParameterTargetWhy it matters
Day temperature20 – 24 °CDrives photosynthesis and fruit set
Night temperature16 – 18 °CControls generative and vegetative balance
Relative humidity65 – 80% RHPrevents Botrytis and calcium disorders
Light sum> 1,000 J/cm²/day preferredDirectly correlates with yield potential
CO₂ concentration700 – 1,000 ppmAdds 15 – 25% production when enriched
Irrigation water EC< 0.5 mS/cm sourceEnables accurate nutrient steering

02

Recommended systems

Venlo glass greenhouse, 6 – 8 m gutter

High light and large air volume support high-wire cropping, screens and CO₂ dosing. The standard for year-round contract supply.

Substrate gutters with stone wool or coco

Gutter-mounted slabs give root zone control, drain collection and clean crop rotation between cycles.

High-wire trellis with hooks

Layering the crop extends the cycle to 9 to 11 months, maximising output from each planting and each square metre.

Recirculating fertigation

Automated dosing, drain collection, UV or heat disinfection and reuse cut water and fertiliser cost while stabilising quality.

Double screen package

Energy screen plus movable shade reduces heating demand and controls radiation peaks and humidity at night.

Pipe-rail heating and internal transport

Pipe-rail delivers heat where the crop needs it and doubles as the trolley track for harvest and crop work.

03

Climate management

Tomato climate management is about steering the plant, not just holding a setpoint.

  1. Temperature strategy

    A 24-hour average temperature target with controlled pre-night and morning ramps steers fruit set, truss development and ripening speed.

  2. Humidity and moisture deficit

    Managing vapour pressure deficit with minimum pipe temperature, screen gapping and staged ventilation prevents condensation on fruit and reduces disease pressure.

  3. Light and screening

    Shade screens cap radiation peaks that cause stress and fruit quality loss, while diffuse glazing improves light penetration into the lower canopy.

  4. CO₂ enrichment

    Dosing to 700 to 1,000 ppm during photosynthetically active hours raises production, and requires coordination with ventilation strategy.

  5. Irrigation steering

    Start time, cycle frequency, drain percentage and EC adjustments through the day steer plant balance and fruit quality.

04

Expected benefits

Yield of 40 – 100+ kg/m²

Compared with 5 to 10 kg/m² in open field, protected high-wire production transforms revenue per hectare.

Year-round supply contracts

Predictable weekly volumes let growers hold retail and wholesale contracts rather than sell into spot markets.

Premium winter pricing

Heated, screened production captures the seasonal price window when field supply is unavailable.

Lower input use per kilo

Recirculating fertigation and integrated pest management reduce water, fertiliser and chemical cost per unit produced.

FAQ

Tomato questions

Common technical and commercial questions about greenhouse for tomato.

What greenhouse is best for tomato production?

A Venlo glass greenhouse with 6 to 8 metre gutter height, roof ventilation, energy and shade screens, pipe-rail heating and substrate gutters is the commercial standard for tomato. In mild climates a well-specified multi-span structure with good ventilation and Dutch bucket or gutter systems can be commercially viable at lower capital cost.

What tomato yield can a commercial greenhouse achieve?

Simple film greenhouses with basic climate control typically produce 20 to 40 kg/m² per year. Modern glass greenhouses with heating, screens and CO₂ reach 60 to 80 kg/m², and top facilities with supplemental lighting exceed 100 kg/m². Yield depends on light, climate control, variety, crop management and labour skill.

How much does a tomato greenhouse project cost?

A high-tech tomato greenhouse typically costs 180 to 280 USD per square metre delivered and installed, including structure, heating, screens, CO₂, substrate gutters, fertigation and controls. Lower-technology film-based tomato projects can be built for 45 to 90 USD per square metre with correspondingly lower yields.

What gutter height is needed for high-wire tomato?

High-wire tomato requires 6 to 8 metres of gutter height. This provides room for the trellis and layering system, allows screens to be installed above the crop, and creates the air volume needed to buffer temperature and humidity swings.

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