USDA FORECASTS BRAZIL/ARGENTINE SOYBEAN CROPS The U.S. Agriculture Department forecast Brazil's 1986/87 soybean crop at 17.00 mln tonnes, vs 17.00 estimated last month. It put the 1985/86 crop at 13.90 mln tonnes, vs 13.70 mln last month. The department forecast Argentina's 1986/87 soybean crop at 7.70 mln tonnes, vs 7.70 mln last month. It projected the 1985/86 crop at 7.30 mln tonnes, vs 7.30 mln last month. Brazil's 1986/87 soybean exports were forecast at 2.50 mln tonnes, vs 2.50 mln tonnes estimated last month. USDA projected 1985/86 exports at 1.20 mln tonnes, vs 1.20 mln last month.