Ninh Thuận growing grapes in polygreen houses stockbot 0 346 2022.12.24 11:06 https://vietnamnews.vn/society/1439649/ninh-thuan-growing-grapes-in-po… + 2 https://vietnamnews.vn/rss/society.rss + 1 The south-central province of Ninh Thuận is developing the cultivation of new grape varieties in polygreen houses to mitigate the impact of inclement weather and improve fruit quality.