Colombo, May 31 -- Unexpected rainy weather conditions, a phenomenon of global warming, have triggered concerns for salt production in Sri Lanka because at least 40-45 days with uninterrupted sunlight are required for manufacturing and processing, an official said.

Sri Lanka currently gets intermittent rain throughout the year in all parts of the country.

Chairman of National Salt Limited Gayan Wellala told the Daily Mirror that "salt is harvested through a solar evaporation method where seawater is gathered in salt pans and evaporated to form salt deposits. If heavy rains of 60-70 mm are experienced over a period of time, the salt deposits get washed away."

Mr Wellala also said that heavy rains had impacted the salt production since 2...