European Union foreign Policy Chief on Thursday described the nuclear talks with Iran as productive, IRNA reported. Speaking to reporters after three days of talks in Vienna, Catherine Ashton said the two will meet again on March 17. ‘We had three very productive days during which we identified all the issues we need to address in reaching a comprehensive and final agreement. ‘There is a lot to do. It won’t be easy but we’ve made a good start,’ Ashton said. Technical experts would meet in early March, she added.