MINORCO <MNRCY> SEES IMPROVED SECOND HALF Minorco said it expects net earnings to be substantially stronger than the 44.0 mln dlrs reported for the first half. In reporting that first half results declined from 65.0 mln dlrs, Minorco said the contributions from its 50 pct investment in December 1985 in Adobe Resources Corp was negative as a result of low oil and gas prices.