Share: Title:How to Reduce the Cost of Chemical Fertilizers in Polytunnel Cultivation in Sri Lanka Duration: 28:42 Plays: 41K views Published: 1 year ago Download MP3 Download MP4 Simillar Videos ▶️ 56:15 A Fully Automated Large-scale Polytunnel In Sri Lanka Built With Korean Technology 41K views • 11 months ago ▶️ 44:14 Fully Automated Polytunnel With A Secure Fence In Sri Lanka Owned By A Software Engineer 41K views • 10 months ago ▶️ 39:43 Smart Polytunnel In Sri Lanka Specially Designed For Vegetable Farming පොලිටනල් එකේ මාලුමිරිස් වගාව 41K views • 2 months ago ▶️ 14:25 Home Gardening In Sri Lanka Preparation Of Best Organic Liquid Fertilizer At Home 41K views • 4 years ago