The ancient irrigation system that shaped a landscape 💧 In the 9th century, Balinese farmers developed the unique Subak irrigation system, allowing farmers to stretch their limited water supply. To grow rice, paddy fields need to be flooded, so farmers often shape their fields into rice terraces to retain water. But it was over 1000 years ago that farmers in Mancingan village wanted to increase production for a growing population. The result was the Subak irrigation system which starts from a s