Sundarban Farmers Need a Rice Variety That Is Salt-Tolerant But Also Marketable The increasing frequency of cyclones means growing high-yielding varieties â which do not grow well on saline soil â is no longer an option. A villager at a temporary shelter on a high ground in the aftermath of Cyclone Yaas, at Ghoramara Island in the Sundarban Delta complex of the Bay of Bengal, Saturday, May 29, 2021 Photo: PTI Environment8 hours ago Kolkata: Cyclone Aila of 2009 had triggered a wave of migration from the Sundarbans region, after the storm surges associated with the cyclone inundated thousands of acres of land with saline water from the rivers and the seas and left them uncultivable for years to come. It took a few years for the land to get back to normal yielding capacity.