Commercial Greenhouse Climate Control & Smart Fertigation Systems in Sri Lanka
Direct Answer: Sanota manufactures automated greenhouse climate systems and closed-loop smart fertigation skids for commercial growers across Sri Lanka. Our systems automate multi-channel A/B nutrient dosing, EC/pH stabilization, motorized roof ventilation, and high-pressure fogging, increasing crop yields by 25–35% while slashing fertilizer waste and labor costs.
Protected Agriculture & Commercial Fertigation Technologies
Engineered for bell peppers, export tomatoes, melons, strawberries, and cut foliage cultivation in Sri Lanka.
Commercial Multi-Channel Smart Fertigation
Automated inline fertilizer injection skids featuring Tank A, Tank B, and Acid dosing channels with continuous toroidal EC and pH sensor feedback for exact parts-per-million (PPM) nutrient feeding.
VPD-Driven Climate Automation
Real-time Vapor Pressure Deficit (VPD) algorithmic control orchestrating motorized ridge vents, roll-up side curtains, internal shade screens, and circulating fans to prevent leaf tip burn and fungal mildew.
High-Pressure Fogging & Misting Systems
70-bar stainless misting lines with anti-drip ceramic nozzles designed to lower internal polyhouse temperatures by 4°C–8°C during peak tropical afternoon radiation without wetting foliage.
Multi-Zone Solenoid Irrigation Manifolds
Pressure-compensating drip manifolds divided into multiple crop blocks, scheduled dynamically based on volumetric soil moisture sensors (TDR) or solar radiation accumulation (Joules/cm²).
Off-Grid Solar PV & Battery Field Automation
Ruggedized solar power packages designed for remote agricultural lands in Hambantota, Dambulla, or Nuwara Eliya, providing autonomous continuous operation without grid reliance.
Cloud Agronomy Dashboard & Mobile Alerts
4G cellular IoT gateways streaming live EC, pH, substrate water content, and water meter cubic-meter flow rates to smartphone apps with automated SMS alarms for pipe bursts or dry tanks.
How We Deploy Smart Agriculture In 6 Structured Steps
From water chemistry evaluation to automated cloud dosing, engineered specifically for Sri Lankan agro-climatic conditions.
Farm Agronomy & Water Quality Assessment
We analyze your raw irrigation water analysis (bicarbonates, SAR, baseline EC/pH), polyhouse dimensions, and target crop nutrient curves.
Hydraulic Sizing & Manifold CAD Design
Calculating exact flow rates (m³/h), pipe head losses, dosing pump capacities, and dividing the farm into balanced irrigation blocks.
Fertigation Skid & Control Panel Assembly
Complete assembly of stainless steel framing, industrial dosing pumps, mixing tanks, and IP66 PLC electrical panels in our Galle workshop.
On-Site Piping, Sensor & Valve Deployment
Plumbing connections to main reservoirs, laying solenoid control cables, and calibrating soil and climate sensor probes inside the polyhouse.
Closed-Loop EC/pH Calibration Trials
Running full water test batches with actual fertilizer stock solutions to calibrate proportional dosing loops and establish safety cutoffs.
Agronomist Handover & Routine Sensor Servicing
Staff training on recipe changes, supplying electrode cleaning solutions, and periodic sensor recalibration under our agricultural AMC.
Smart Fertigation & Climate Automation Specifications
| Sub-System | Engineering Specification | Grower Advantage |
|---|---|---|
| Fertilizer Dosing Channels | 3 to 6 In-Line Dosing Channels (A, B, C, Acid, Booster) with Venturi/Diaphragm pumps | Prevents phosphate and calcium precipitation; exact recipe dosing |
| Sensor Transmitters | Toroidal Inductive EC (0–10 mS/cm) & Sealed Glass Combination pH (0–14) | Industrial longevity in fertilizer concentrates; zero drift weekly |
| Climate Motors & Actuators | 24VDC / 400V Tubular Gearmotors for Ridge Vents, Side Curtains & Thermal Screens | Smooth micro-step opening without tearing poly sheets or cables |
| Telemetry & Data Logging | Integrated 4G GSM Gateway transmitting to Cloud Dashboard & Mobile App | Full visibility of substrate moisture, EC runoff, and water used |
| Safety Protection | Dual High/Low EC cutoffs, low pressure interlocks, and dry-run pump safety | Zero risk of overdosing crop roots with high salinity water |
Frequently Asked Questions: Smart Agriculture
Clear answers for commercial farm owners, agronomists, and polyhouse project managers.
Automate Your Farm's Fertigation & Climate Today
Send us your farm layout, polyhouse count, and water test reports. Our engineering team will configure a turnkey automated fertigation skid and microclimate setup.