Protected cultivation inside UV-stabilized polyhouses and insect-proof net houses—coupled with precision root-zone drip fertigation—enables year-round production of high-value crops in Bangladesh even during heavy monsoon rains or winter cold spells. At the Kashimpur Horticulture Development Center (HDC), BADC, Gazipur, we recorded a series of field engineering videos demonstrating how net-house microclimate control and inline drip emitters maximize yield and fruit quality in sweet pepper (capsicum), tomato, and cucurbits.

1. Protected Net-House & Polyhouse Drip Fertigation Engineering

In our field walkthroughs (ouMPGYLGj-g and mp0NaD3zfYI), we demonstrated the complete hydraulic layout required for protected vegetable beds:

• Head Control & Filtration Unit: Disc/screen filtration, pressure gauges, and Venturi fertigation injectors to deliver soluble NPK and micronutrients uniformly across every bed.
• Raised Plastic-Mulched Beds with Twin Drip Laterals: 16mm LLDPE drip laterals with pressure-compensating inline emitters positioned beneath silver-black mulch film to suppress weeds, conserve soil moisture, and prevent foliar fungal diseases.
• High-Value Sweet Pepper (Capsicum) Production: Achieving uniform fruit set, vibrant pericarp coloration, and export-grade fruit weight under insect-proof net houses at BADC Kashimpur (9HvR5anSWbI).

Md. Mamunur Reza

Assistant Program Director (Seed), APCU-BADC PARTNER • PhD Fellow, Atatürk University

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