21.   Researchers also subtracted a small number of years from the adult total to account for adults who survived with permanent injuries, which reduced the quality of their lives.

22.   Seventy-seven percent of the respondents said tuition could be lowered without reducing academic quality.

23.   Soggy fields triggered an outbreak of disease in the Great Plains winter wheat crop, cutting yields and reducing quality.

24.   The cheaper digital zoom takes a portion of the image the camera captures and then blows it up with software tricks, often reducing quality.

25.   The dry summer weather in Colombia and Central America may have reduced the quality of the beans and lowered yields.

26.   The smut is harmless to people but it reduces grain quality.

27.   The wet conditions encourage growth of funguses and other diseases on the crop, threatening to reduce its quality and delay the harvest, analysts said.

28.   The wet weather combined with frost damage in Kansas -- the largest wheat producing state -- to cut yields and reduce quality, the USDA said.

29.   The winter crop was harvested late because of heavy rain this spring, which reduces the quality of the grain.

30.   The traditional sound card, even in a well-shielded desktop case, is bathed in electromagnetic interference, reducing audio quality.