Farmers adopt the 'polythene process' of harvesting salt along the coast of Teknaf. Each acre of land yields at least 30 tonnes of salt. Photo: Jasim MahmudThis year, salt is being harvested across 3,945 acres of land in Teknaf. The coastal farms have already yielded 34,000 tonnes of salt. Photo: Jasim MahmudAfter extracting a layer of salt from sundried seawater, farmers spread it out on a polythene sheet. Photo: Jasim MahmudFarmers brave the scorching summer heat to harvest salt along Teknaf's coastline. Photo: Jasim MahmudFarmers are harvesting salt across thousands of acres of land along Teknaf's coastline. Photo: Jasim Black polythene sheets are lined with row upon row of salt plots or beds. Photo: Jasim MahmudWorkers collect salt from the fields in Shah Porir Dwip under the blazing sun. Photo: Jasim MahmudWorkers are storing salt in heaps in the fields of Shah Porir Dwip. Photo: Jasim MahmudWorkers are storing salt in heaps in the fields of Shah Porir Dwip. Photo: Jasim MahmudSalt heaps dot the fields of Shah Porir Dwip off the coast of Teknaf. Photo: Jasim Mahmud