Agriculture secretary estimates 10 percent of corn , 20 percent of soybeans lost . So , some of this is just flat-out unpredictable , '' he said . Remaining plantings could show reduced yields , official says . Comment: President Bush tours flooded area by air , promises help .
Agriculture secretary estimates 10 percent of corn , 20 percent of soybeans lost . Remaining plantings could show reduced yields , official says . Comment: President Bush tours flooded area by air , promises help .