📍 Koyra & Paikgachha, Khulna • 1m × 1m Galvanized Trays Filled with 25 kg Washed Cocopeat • 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
📊 Case Study Technical & Economic Profile
1. Regional Context & Agricultural Challenge
Heavy saline clay soils in Koyra and Paikgachha crack during dry months and restrict underground tuber expansion for root crops like sweet potato.
2. Technical Implementation & BARI Protocol Applied
Using BARI’s Chapter 6 Sweet Potato breakthrough, growers fill 1m × 1m × 22cm galvanized trays with 25 kg of soft, washed coconut coir dust, plant 5 vine cuttings per tray, and apply BARI nutrient solution.
3. Harvest Results, Economic Impact & Grower Outcome
Farmers harvest vitamin-rich leafy vine tips from day 30 onward, followed by 1.5 to 2.0 kg of smooth, mud-free sweet potato tubers per plant!
🇧🇩 Key Takeaway for Bangladeshi Growers:
This verified case study from Koyra & Paikgachha, Khulna demonstrates how adapting BARI Stock Solution A & B and localized soilless structures solves real regional climate and soil constraints while delivering strong commercial returns in Bangladesh.