USDA ESTIMATES SOUTH AFRICA CORN CROP, EXPORTS
  The U.S. Agriculture Department
  forecast South Africa's 1986/87 corn crop at 8.50 mln tonnes,
  vs 9.50 mln tonnes last month. It estimated the 1985/86 crop at
  8.08 mln, vs 8.08 mln last month.
      USDA forecast South African 1986/87 corn exports at 2.10
  mln tonnes, vs 3.00 mln tonnes last month, and 1985/86 exports
  at 2.75 mln tonnes, vs 2.75 mln tonnes last month.