Elevated gutters at 1.2 – 1.4 m
Table-top growing raises picking to waist height, cutting harvest labour time by 20 to 40 percent and improving fruit hygiene.
Strawberry
Strawberry Greenhouse Production Systems
Protected strawberry production has moved decisively to elevated gutter systems under glass and film. A strawberry greenhouse extends the season, protects fruit quality and cuts harvest labour cost per kilogram — the three variables that decide profitability in soft fruit.
- Yield range
- 6 – 12 kg/m²/yr
- Gutter height
- 4 – 6 m
- Plant density
- 10 – 14 plants/m²
- Harvest ergonomics
- Waist-height picking
01
Growing requirements
| Parameter | Target | Notes |
|---|---|---|
| Day temperature | 18 – 22 °C | Higher temperatures reduce fruit firmness and shelf life |
| Night temperature | 8 – 12 °C | Cool nights support sugar accumulation and flavour |
| Relative humidity | 60 – 75% RH | Critical for Botrytis and powdery mildew control |
| Root zone temperature | 12 – 18 °C | Elevated gutters need buffering in hot climates |
| Pollination | Bumblebee hives | Directly determines fruit shape and class-one percentage |
| Water EC | < 0.7 mS/cm source | Strawberry is salt sensitive |
02
Recommended systems
Coco coir slabs or bags
Coir provides consistent air-water balance, and slab volume per plant is matched to the planting density and irrigation strategy.
Drip fertigation with drain control
Per-gutter drip lines with drain measurement allow precise EC steering for flavour and firmness.
Glass or polycarbonate roof
Rigid glazing supports year-round or extended-season programmes and better rain and hail protection than film.
Energy screen and shade screen
Screens control night heat loss, temper radiation peaks and help hold humidity within the disease-safe band.
Everbearer or short-day programme
Variety and planting strategy are selected around the target market window rather than adopted by default.
03
Climate management
Humidity first
Botrytis is the primary economic risk. Minimum pipe temperature, screen gapping and staged ventilation keep the canopy dry through the night transition.
Temperature differentiation
Warm days with distinctly cooler nights build sugars and firmness; a flat 24-hour temperature produces soft, bland fruit.
Root zone stabilisation
Elevated gutters heat and cool quickly, so irrigation frequency and shading are used to hold the root zone in range.
Light management
Diffuse glazing and shade screens prevent radiation stress; supplemental lighting extends production in low-light winters.
Pollination environment
Bumblebee activity requires controlled temperature, humidity and airflow, so climate strategy is set with pollination in mind.
04
Expected benefits
Yield of 6 – 12 kg/m²
Two to four times typical open field yields, with a much higher proportion of class-one fruit.
Extended market window
Protected production supplies the shoulder seasons when prices are highest and field fruit is unavailable.
Lower harvest cost per kilo
Waist-height picking and clean walkways significantly increase picker productivity.
Better shelf life and pack-out
Rain and soil contact are eliminated, reducing rejects, returns and post-harvest losses.
FAQ
Strawberry questions
Common technical and commercial questions about strawberry greenhouse.
What yield can a strawberry greenhouse achieve?
Commercial strawberry greenhouses using elevated gutters and coco substrate typically produce 6 to 12 kg/m² per year, compared with 2 to 4 kg/m² in open field. Yield depends on variety, planting programme, light availability, climate control and pollination quality.
Is glass or film better for strawberry production?
Glass or polycarbonate is preferred for year-round and extended-season programmes because of light transmission, durability and better humidity control. Film multi-span structures are commercially viable for season extension in mild climates at significantly lower capital cost.
Why are elevated gutters used for greenhouse strawberries?
Elevated gutters raise the crop to waist height, which reduces harvest labour cost, keeps fruit off the soil, improves airflow around the canopy to limit Botrytis, and allows precise control of root zone volume, drainage and nutrition.
How much does a strawberry greenhouse cost?
Strawberry greenhouse projects typically cost 120 to 220 USD per square metre delivered and installed, including structure, climate control, elevated gutter system, substrate and fertigation. The gutter and substrate system alone is usually 25 to 45 USD per square metre.
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Elevated Strawberry Greenhouse — Saudi ArabiaHow an elevated gutter system performed in a desert climate.Blueberry GreenhouseProtected berry production with substrate pot systems.Glass GreenhouseWhy rigid glazing suits berry programmes.Turnkey Greenhouse SolutionsDelivering a berry facility under one scope.
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