trade policies by sector overview since the previous review in 1999 relative sizes of nicaragua s economic sectors have not undergone any major changes agriculture is still key and accounts for over 80 per cent exports goods as well employing one third labour force recent years producers export oriented crops achieved a greater increase productivity compared to farmers growing traditional output efficiency nicaraguan fishing industry has also continued grow average mfn tariff protection agricultural division 1 isic revision 2 rose from 6 8 5 2005 nevertheless some poultry cuts reaches 170 gold leading mineral it silver limestone basalt building stone sand all natural resources belong state which grants concessions exploit them import crude petroleum 10 total imports only just half population access electricity mining basic legal framework dates 1950s 1960s