[4]. Rice is a major crop in Vietnam, as the world’s secondlargest rice exporter after Thailand, together accounting for 50% of the world rice trade. Vast portions of the food
producing regions in the country will be inundated by sea water, expected to be at about 19.0%−37.8% of the Mekong River Delta (MRD) and about 1.5%−11.2% of the Red River Delta (RRD). With sea level rise by 1m, approximately 40,000 km2 will be inundated, and salinity intrusion is expected to cover about 71% of the MRD and RRD, together with other coastal regions. Vietnam is
formidably dealing with salinity intrusion which is causing adverse influence on 1 million ha, equally with 3% of total Vietnam area