Charles Wortmann at the University of Nebraska-Lincoln says a one-time tillage may be used to correct a problem like aggressive weeds.

VOA: special.2010.09.28

The surgery can sometimes be complex, and may require more than one operation to correct.

VOA: special.2009.12.22

For Eleanor Creesy to learn the correct position of the ship each day, she had to be able to see the sun, the moon or stars.

VOA: special.2009.12.23

"But,there should be in practice, have some correct measures to do that.

VOA: standard.2010.07.06

His latest statement focused on the need to correct flaws in the aviation security system that allowed the would-be bomber to board the Detroit-bound flight in the first place.

VOA: standard.2009.12.29

On the same broadcast, Democratic Senator John Kerry said the president has been absolutely correct in his statements about Iran, asserting that tough rhetoric against the Iranian government would be counterproductive.

VOA: standard.2009.06.23

Although he is focusing on specific cases of possible police misconduct, Nick Hardwick said there is a great need for a much larger debate to be held in the country regarding the correct balance between security and liberty.

VOA: standard.2009.04.21