Bangladesh Hydroponics, Greenhouse/Polyhouse & High-Tech Irrigation Case Studies
Explore 54 verified field reports across Bangladesh—including 32 regional hydroponics history milestones and 22 commercial Greenhouse/Polyhouse establishments & Drip Irrigation BD Ltd. (DIBL) high-tech IoT, fogging, filtration, and fertigation projects with original field photographs and official references.
Case Study #1
Tungipara & Kotalipara, Gopalganj: How 300-Year-Old Floating ‘Dhap’ Gardens Became a UN FAO Global Heritage System
Generations of Bangladeshi farmers pioneered 'Dhap' (or Baira)—the world's oldest community-scale organic hydroponics. Farmers weave buoyant rafts (up to 50 feet long)…
Case Study #2
Banaripara (Barishal) & Nazirpur (Pirojpur): Commercial Floating ‘Tema’ Seedling Nurseries Supplying the Southern Delta
Growers in Banaripara (Barishal) and Nazirpur (Pirojpur) turned their flooded canals and beels into high-density floating hydroponic nurseries. Using coconut coir dust…
Case Study #3
Rajoir, Madaripur & Chanda Beel: Climate-Resilient Floating Hydroponic Beds Producing Monsoon Turmeric, Spinach & Gourds
Supported by the Department of Agricultural Extension (DAE) and BARI climate-adaptation programs, local farmer groups combined traditional floating rafts with modern bamboo…
Case Study #4
BARI Horticulture Research Centre (Joydebpur, Gazipur): The Institutional Birthplace of Modern Scientific Hydroponics in Bangladesh
The Olericulture Division of the Horticulture Research Centre (HRC) at BARI Gazipur—under the leadership of Director General Dr. Abul Kalam Azad, Director…
Case Study #5
BARI Olericulture Division Glasshouse (Gazipur): Standardizing Year-Round Off-Season Vegetable Production Without Soil
Inside the HRC protective glasshouses and UV polyhouses in Gazipur, BARI scientists engineered raised galvanized iron sheet trays (3m × 1m) lined…
Case Study #6
BARI Nutrient Chemistry Lab (Gazipur): How Scientists Replaced Expensive Imported Nutrients with the 10-Salt Stock A & B Formula
BARI's Olericulture Division standardized a precise 10-salt recipe per 10L of Stock Solution: Stock A contains 1,000g Calcium Nitrate and 80g Chelated…
Case Study #7
Dohar & Nawabganj, Dhaka: Expatriate Entrepreneurs Build a 5,200-Plant Circulating Tray & Padma Reservoir Polyhouse
The entrepreneurs installed a 3,500 sq ft UV-stabilized polyhouse equipped with raised galvanized circulating trays connected to a 1,000-liter overhead and underground…
Case Study #8
Savar & Ashulia, Dhaka: Year-Round Hydroponic Lettuce Production on Polystyrene Floating Trays for Dhaka Super-Shops
A commercial hydroponic farm in Savar adopted BARI's floating polystyrene sheet protocol inside a 50%-shade net-house. Sponge-block seedlings are transplanted at 14…
Case Study #9
Sreepur & Joydebpur, Gazipur: Achieving 7 kg per Plant with BARI Tomato-14 & Cherry Tomatoes in Circulating Hydroponic Trays
Following BARI Chapter 5 protocols, growers transplanted 21-day-old BARI Tomato-14 seedlings at 50 × 40 cm spacing (12 plants per 3m ×…
Case Study #10
Shahjahanpur & Sherpur, Bogura: North Bengal Vegetable Hub Adopts BARI Hydroponic Trays for High-Value Colored Capsicum
Progressive growers in Shahjahanpur built 200-micron UV polyhouses fitted with 60-mesh insect nets and BARI circulating trays. Plants are pruned to 2–3…
Case Study #11
Sitakunda & Halishahar, Chattogram: Port City Entrepreneurs Overcome Coastal Humidity with Circulating Hydroponic Tomatoes
Using harvested monsoon rainwater blended with low-EC municipal water, growers established elevated circulating trays equipped with Venturi injectors to maintain dissolved oxygen…
Case Study #12
Paba & Godagari, Rajshahi: Cultivating High-Brix Netted Melon (Rockmelon) in the Drought-Prone Barind Tract Using 90% Less Water
Growers adopted BARI's Chapter 5 Netted Melon hydroponic protocol: planting 2 rows per tray at 50 cm spacing, hand-pollinating female flowers between…
Case Study #13
Gadkhali & Jhikargacha, Jashore: Bangladesh’s Flower Capital Adopts Non-Circulating Hydroponic Trays for Inca Marigold & Cut Flowers
Using BARI's non-circulating tray and plastic bucket method, flower growers root vegetative marigold cuttings in river sand and transplant them into cocksheet…
Case Study #14
Mymensingh Sadar (BAU Corridor): Multi-Tier Vertical uPVC Pipe Hydroponics Triples Leafy Vegetable Yield per Square Foot
Following BARI Chapter 7 Vertical Hydroponics engineering, growers fabricated A-frame iron stands holding three tiers of 6-inch uPVC pipes (2.5m length each).…
Case Study #15
Shyamnagar & Kaliganj, Satkhira: Overcoming Sundarbans Coastal Soil Salinity with Washed Cocopeat Container Farming
Local women's groups adopted BARI Chapter 6 Coir Dust technology: washing local coconut husk dust three times to leach out excess sodium/potassium,…
Case Study #16
Dakshin Surma & Kadamtali, Sylhet: Defeating 4,000 mm Monsoon Rainfall with the 10 × 10 ft BARI UV Micro-Garden Polyhouse
Homeowners and villa estates in Dakshin Surma built the BARI Chapter 8 Micro-Garden model: a 10 ft × 10 ft bamboo/GI-pipe frame…
Case Study #17
Chilmari & Ulipur, Kurigram: Women Dairy Farmers Grow Lush Hydroponic Maize Fodder in 7 Days at ৳4.50/kg, Boosting Milk Yield by 15%
Trained through UNDP, NGO, and BAU/DAE extension programs, rural women set up shaded bamboo racks holding plastic fodder trays. Locally sourced maize…
Case Study #18
Sher-e-Bangla Agricultural University (SAU, Agargaon, Dhaka): Urban Hydroponic Sweet Pepper & Youth Entrepreneurship Hub
Faculty and graduate researchers tested multiple potassium-to-calcium ratios and salinity-mitigation regimes in cork-sheet boxes and cocopeat grow-bags, optimizing fruit wall thickness ...
Case Study #19
Daudkandi & Cumilla Sadar: Smallholder Growers Harvest 3 Cycles of Straight, Burpless Hydroponic Cucumbers per Year
Adopting BARI's Chapter 5 Cucumber protocol, growers transplant 15-day-old sponge-block seedlings into 3m × 1m trays (10–12 plants per tray at 50…
Case Study #20
Mithapukur & Rangpur Sadar: Eliminating Winter Soil Fungal Rot with Elevated Hydroponic Tray BARI Strawberry-1 Farming
Growers transplanted healthy strawberry runners in October into elevated BARI circulating trays at 30 × 30 cm spacing. Resting on dry, clean…
Case Study #21
Birganj & Dinajpur Sadar: Young Agri-Entrepreneurs Market Premium Mud-Free Hydroponic Strawberries Across North Bengal
By carefully balancing Calcium Nitrate in Stock A and Potassium in Stock B at EC 1.8 dS/m during flowering and fruiting, growers…
Case Study #22
Shibpur & Raipura, Narsingdi: Defeating Soil-Borne Bacterial Wilt with Zero-Electricity Non-Circulating Tomato Trays
Farmers adopted BARI's Chapter 4 Non-Circulating Tray design: wood-and-polythene or galvanized trays where nutrient solution is filled manually, leaving a 5–8 cm…
Case Study #23
Tongibari & Munshiganj Sadar: Harvesting 100% Pesticide-Free Bitter Gourd (Korola) in Hydroponic Trays & Buckets
Growers in Munshiganj combined insect-netted hydroponic trays (planting 2 rows at 50 cm spacing) with sex-pheromone traps and hand pollination between 7:00–9:00…
Case Study #24
Madhupur & Mirzapur, Tangail: Low-Cost 10-Liter Plastic Bucket Hydroponics Turns Homestead Courtyards into Productive Vine Gardens
Using standard 10–15 liter household plastic buckets painted or opaque to block light, growers cut a single net-pot hole in the lid,…
Case Study #25
Bhanga & Faridpur Sadar: Women Growers Cultivate BARI Lau-4 (Bottle Gourd) in 10-Liter Plastic Buckets with Stock A & B
Following BARI Chapter 5 Bottle Gourd protocols, women growers germinate BARI Lau-4 seeds in sponge blocks and transplant them into 10-liter plastic…
Case Study #26
Jibannagar & Chuadanga: Progressive Fruit Entrepreneurs Scale Up 3m × 1m Hydroponic Trays for Export-Grade Netted Melons
By transitioning to 3m × 1m raised circulating hydroponic trays inside insect-screened polyhouses, growers eliminated soil rotation problems entirely and gained exact…
Case Study #27
Assasuni & Tala, Satkhira: Growing Year-Round Green Chili in Cocopeat Pots to Beat Monsoon Waterlogging & Salinity
Following BARI Chapter 6, farmer groups filled perforated plastic pots with 100% washed coconut coir dust (which retains 600% moisture by weight…
Case Study #28
Koyra & Paikgachha, Khulna: Harvesting 1.5–2.0 kg of Tuberous Sweet Potatoes & Leafy Greens per Plant in 1m × 1m Cocopeat Trays
Using BARI's Chapter 6 Sweet Potato breakthrough, growers fill 1m × 1m × 22cm galvanized trays with 25 kg of soft, washed…
Case Study #29
Sreemangal & Kamalganj, Moulvibazar: Year-Round Seedless & Kagzi Lemon Production in Cocopeat Half-Drums
Following BARI Chapter 6 Lemon protocols, growers fill perforated plastic half-drums with 35–40 kg of washed coconut coir dust and feed the…
Case Study #30
Uttara & Dhanmondi, Dhaka: Urban Families Turn Recycled 5-Liter Oil Bottles & Plastic Crates into Productive Rooftop Hydroponic Gardens
Inspired by BARI Chapter 8, families in Uttara, Dhanmondi, and Mirpur repurposed empty 5-liter edible oil bottles, fruit crates lined with polythene,…
Case Study #31
Cox’s Bazar & Ramu Hospitality Corridor: Coastal Resorts Build Farm-to-Table Hydroponic Net-Houses for Fresh Salad Greens & Cucumbers
Hospitality entrepreneurs in Ramu and Marine Drive built coastal net-houses combining low-EC lettuce trays in the front bays with high-EC trellised cucumber…
Case Study #32
Sherpur (Bogura) & Natore: Commercial Sponge-Block Hydroponic Seedling Nurseries Supply Disease-Free Plugs to Growers
Specialized nursery entrepreneurs in Bogura and Natore adopted BARI Chapter 2 Sponge-Block propagation: scoring sponge sheets into 2.5 × 2.5 cm cubes,…
Case Study #33
University of Dhaka (Curzon Hall Campus): Modern Vertical NFT Hydroponic Polyhouse Installed by Drip Irrigation BD Ltd. (DIBL)
Drip Irrigation BD Ltd. (DIBL) engineered and commissioned a multi-tier Vertical Nutrient Film Technique (NFT) hydroponic system inside a protective poly-roof enclosure…
Case Study #34
Sitakunda, Chattogram: Commercial Poly-Shed NFT Hydroponic Farm with DIBL ABC Nutrient Dosing Protocol
Drip Irrigation BD Ltd. (DIBL) established a wind-reinforced poly-shed housing a high-capacity NFT hydroponic array. As shown in the field photographs, DIBL…
Case Study #35
Gazipur & Savar Agro Belt: Establishing a 25-Decimal UV-200 Micron Polyhouse & Shade-Net House with DIBL Drip Fertigation
Using a tropicalized structural design—combining a 3.8-meter ridge height GI-pipe arch frame, 200-micron UV-stabilized diffused polyethylene roof film, 40-mesh white anti-thrips side…
Case Study #36
Shibganj (Bogura) & Paba (Rajshahi): Establishing Walk-In Poly-Tunnels with Silver-Black Mulching & DIBL Drip Fertigation
Progressive growers partnered with Drip Irrigation BD Ltd. (DIBL) to establish low-cost walk-in poly-tunnels over raised beds covered with 30-micron silver-black reflective…
Case Study #37
Gadkhali (Jashore) & Savar: Virus-Free Polyhouse Seedling Nursery Establishment Using DIBL Micro-Drip & Fogger Automation
By establishing a double-door 50-mesh insect-proof polyhouse with a UV-200 micron roof and raised wire-mesh benches, the nursery eliminated soil contact completely.…
Case Study #38
Sitakunda, Chattogram: Establishing an Automated Microclimate Poly-Shed Nursery with DIBL 5-Way Overhead Fogging
Drip Irrigation BD Ltd. (DIBL) retrofitted the 4,500 sq. ft. poly-shed ceiling with suspended 16mm PE overhead laterals equipped with 5-Way Anti-Drip…
Case Study #39
Narayanganj & Naogaon: Commercial Epiphytic Orchid Polyhouse Establishment with DIBL Automated Misting & Foliar Fertigation
Drip Irrigation BD Ltd. (DIBL) designed a specialized orchid poly-shed in Narayanganj (and replicated the model in Naogaon) featuring suspended 4-way anti-drip…
Case Study #40
Munshiganj Sadar: 8-Day Hydroponic Maize Fodder Poly-Chamber Using DIBL Automated Second-Interval Fogging
Drip Irrigation BD Ltd. (DIBL) constructed a multi-tier vertical hydroponic fodder chamber enclosed in UV poly-sheeting and shade mesh. Inside, 5-tier racks…
Case Study #41
Ambagan, Chattogram: Establishing a Climate-Controlled Mushroom Poly-Shed with DIBL Automated 85% RH Fogging
Drip Irrigation BD Ltd. (DIBL) engineered an insulated mushroom poly-shed equipped with overhead high-pressure anti-drip fogging lines and automated timer/humidity switching. Instead…
Case Study #42
Kodala Tea Estate (Rangunia, Chattogram): Automated Microclimate Fogging Cooling System Installed by Drip Irrigation BD Ltd.
Drip Irrigation BD Ltd. (DIBL) engineered an industrial-grade automatic fogging cooling network across the estate facility using high-pressure overhead headers, anti-drip multi-way…
Case Study #43
Uttara, Dhaka: Smart Rooftop Poly-Canopy & Vertical Hydroponic Garden Controlled via DIBL Mobile IoT Automation
Drip Irrigation BD Ltd. (DIBL) established a multi-zone smart rooftop poly-canopy and vertical garden powered by the **DIBL SMART IoT Device**. Using…
Case Study #44
Dhanmondi & Gulshan, Dhaka: Establishing a 2,000 Sq. Ft. Rooftop Polyhouse with DIBL IoT Sensor & Solenoid Fertigation
A lightweight GI-pipe arch polyhouse with 40-mesh insect net sidewalls was erected on the rooftop and stocked with cocopeat Dutch buckets and…
Case Study #45
BRAC Regional Facility, Bogura: IoT Sensor-Driven Microclimate Fogging Cooling System Engineered by Drip Irrigation BD Ltd.
Commissioned at the BRAC facility in Bogura, Drip Irrigation BD Ltd. (DIBL) installed a closed-loop IoT temperature and humidity sensor controller linked…
Case Study #46
Mymensingh Sadar: Integrated Agro-Farm & Poly-Roof Shed Using DIBL IoT Sensor-Based Evaporative Fogging Cooling
Drip Irrigation BD Ltd. (DIBL) installed an IoT-governed overhead evaporative fogging system with anti-drip check valves and digital temperature probes. By pulsing…
Case Study #47
Amtala, Jhenaidah: Dual Overhead Canopy Fogging & Root-Zone Drip Fertigation Installed by Drip Irrigation BD Ltd. (DIBL)
At Amtala, Jhenaidah, Drip Irrigation BD Ltd. (DIBL) engineered a dual-layer precision system: (1) 16mm root-zone drip fertigation rings around each concrete…
Case Study #48
Kaptai, Rangamati: Multi-Stage Water Filtration & Pressurized Drip System for Hill Polyhouses & Orchards by DIBL
Drip Irrigation BD Ltd. (DIBL) engineered and installed a heavy-duty multi-stage filtration headworks in Kaptai featuring dual fiberglass/steel media filter vessels, backwash…
Case Study #49
Fatikchhari, Chattogram: Solving Groundwater Iron Toxicity in Polyhouse & Drip Farming with DIBL Iron Filtration Plant
Drip Irrigation BD Ltd. (DIBL) designed and commissioned a dedicated agricultural Iron Removal Filtration Plant in Fatikchhari. Raw tubewell water undergoes aeration/oxidation…
Case Study #50
Bhola Sadar & Char Fasson: Coastal Water Treatment & Iron Filtration Plant by DIBL Enabling Protected Polyhouse Farming
Drip Irrigation BD Ltd. (DIBL) deployed a three-stage pressurized Iron & Sediment Filtration System in Bhola, pairing heavy-duty blue composite FRP filter…
Case Study #51
Manikchhari, Khagrachhari: Off-Grid Solar-Powered Drip Fertigation & Hill Poly-Tunnel System by Drip Irrigation BD Ltd.
Drip Irrigation BD Ltd. (DIBL) engineered an off-grid Solar-Powered Drip Irrigation System in Manikchhari. High-efficiency solar photovoltaic panels mounted on galvanized frames…
Case Study #52
Banani & Purbachal, Dhaka: Biophilic Vertical Green Wall & Atrium Hydroponic Drip System Engineered by DIBL
Drip Irrigation BD Ltd. (DIBL) engineered a concealed micro-drip fertigation network woven behind vertical modular wall pockets. Pressure-compensated 2 L/hr micro-drippers paired…
Case Study #53
Mirpur & Mohammadpur, Dhaka: Establishing a Family Rooftop UV Shade-Net Polyhouse with DIBL Timer-Controlled Drip
By erecting a simple GI-pipe frame covered with 50% UV shade-net and side bird/insect netting—and installing the **DIBL 1–2 Decimal Rooftop Drip…
Case Study #54
Gazipur & Narsingdi: Commercial Soilless Cocopeat Grow-Bag & Dutch-Bucket Polyhouse Using DIBL Arrow-Dripper Fertigation
To permanently isolate crops from soil pathogens without dismantling the polyhouse, the growers covered the greenhouse floor with reflective weed-mat fabric and…