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DRAGON FRUIT IN GREENHOUSES — EXTENDED FRUITING & BIGGER PROFITS!Did you know that with the right greenhouse setup, dragon fruit can produce 4 to 5 flower cycles per year, even during the cold winter months in South Africa?One of the most powerful methods commercial growers use is night lighting between 11:00 PM and 2:00 AM.Lights run in 30-minute intervals with 10 minutes off, stimulating the plant to continue its flowering cycle — the same technique used in Asia’s top farms.This method helps you achieve: Winter flowering Extended fruiting season Higher annual yield More export-grade fruit (higher income!) Better plant performance in cold regions What does the lighting cost per night?Here’s a simple cost breakdown using a standard 10W LED bulb per pole (you can scale up or down):Lighting period: 3 hours (11PM–2AM)Duty cycle: 30 min ON / 10 min OFFActual ON time in 3 hours:→ 30min on + 10min off = 40min cycle→ 3 hours = 180 minutes→ 180 / 40 = 4.5 cycles→ 4.5 × 30min = 135 minutes ON→ = 2.25 hours ON per nightCost per bulb per night:10W LED = 0.01 kW0.01 kW × 2.25 hours = 0.0225 kWhAverage SA electricity price: R2.98 per kWh0.0225 kWh × R2.98 = R0.07 per bulb per night ONLY 7 cents per night per bulb!Even with 100 poles in a greenhouse: R0.07 × 100 = R7.00 per nightOne month (30 nights): R210 per month of lightingFor a farm generating tens of thousands of rands in winter fruit, this extra lighting is one of the highest ROI techniques in dragon fruit farming. FINAL THOUGHTGreenhouse-grown dragon fruit with winter lighting gives farmers a 6–9 month production window, while outdoor fields often stop in winter.With export prices hitting R80–R120/kg, winter fruit can double your income.If you want the most profitable setup — from greenhouse design to selecting the best self-pollinating varieties — we’re here to help. WhatsApp: +27 83 447 4639 admin@proagrisa.co.zaHealthy Fields DFSA - Dragon Fruit SA Dragon Fruit Association #DFSA #dragonfruit #dragonfruitfarm #dragonfruitplant #dragonfruitfarming
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We specialise in Tar surfacing and brick paving,tennis courts,speed humps,kerbs,cobble half brick paving
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