USDA ESTIMATES EUROPEAN COMMUNITY CROPS The U.S. Agriculture Department forecast the European Community's 1986/87 wheat crop at 71.60 mln tonnes, vs 71.50 mln tonnes last month. It estimated 1985/86 output at 71.70 mln tonnes, vs 71.71 mln last month. E.C. 1986/87 coarse grain production is projected at 81.22 mln tonnes, vs 81.19 mln tonnes last month. The 1985/86 crop is estimated at 88.21 mln tonnes, vs 88.28 mln last month. E.C. wheat exports in 1986/87 are forecast at 28.22 mln tonnes, vs 28.31 mln tonnes last month. Exports in 1985/86 are estimated at 27.77 mln tonnes, vs 27.62 last month.