Ragworms raising stockbot 0 33 2023.12.11 17:47 https://vietnamnews.vn/life-style/1637840/ragworms-raising.html + 3 https://vietnamnews.vn/rss/life-style.rss + 3 The end of autumn is the time for farmers in Ninh Bình to go hunting for ragworms. Taking advantage of its low investment and high profitability, rice field-based ragworm cultivation has developed local income.