---------------------------------- 8839 **************** ECUADOR SIGNS 280 MLN DLR IADB LOAN MIAMI, March 25 - Ecuador signed four loans from the InterAmerican Development Bank (IADB) totaling 280 mln dlrs, the IADB said. Ecuador's finance minister, Domingo Cordovez, and IADB President Antonio Ortiz Mena, signed the loans after the IADB's annual meeting here. A 57 mln dlr loan is for urban development, 80 mln dlrs for industrial programs, 96 mln dlrs for highway rehabilitation and 46 mln for farm research.