Elden: I'd like to send this letter by costo aldactone 100 Drought conditions surged in the past week in corn-producing states, up to 45 percent of the region from 25 percent the week before, said Brad Rippey, a meteorologist with the U.S. Department of Agriculture. Soybeans in drought also increased sharply in the last week to 38 percent from 16 percent, he said.