Experts advise using two or more control methods to deal with weeds.

VOA: special.2009.05.26

"So,there is a choice. Bigger government,more mandates, more control,less freedom.

VOA: special.2009.11.13

But he wanted more control over his product.

VOA: special.2009.05.11

One idea is that,as people age, they grow more thankful for what they have, and have better control of their emotions.

VOA: special.2010.08.03

The Centers for Disease Control and Prevention reports more than twenty-two million people suffer from asthma in the United Sates.

VOA: special.2009.07.28

Now,United Nations officials say representatives from more than sixty countries have made progress on an international agreement to control fish piracy.

VOA: special.2009.02.10

Professor Ervin says this means that some farmers are again using the more toxic herbicides to control weeds.

VOA: special.2010.04.27

However,this is more difficult because it is harder to control the diets of people and because they live longer than other animals.

VOA: special.2009.09.01

They felt their movement was a struggle for more equal control of the nation.

VOA: special.2010.06.10

He also says boards of directors need to do more to control pay.

VOA: special.2009.10.30

Another suggestion is more support for tobacco-control programs.

VOA: special.2009.03.02

Ervin says that means some farmers have returned to using soil-disturbing tillage or more toxic herbicides to control weeds.

VOA: standard.2010.04.15

Unless carbon emissions are brought under control,he says, the challenge of adapting to global climate change will become ever more difficult.

VOA: standard.2010.06.14

Two years and two leaders later, the tensions remain and the Taliban control more territory in both countries.

VOA: standard.2009.05.05

Daryll Kimball,the Executive Director of the Arms Control Association, a private research firm, says President Obama is more skeptical about the missile-defense system.

VOA: standard.2009.07.15

Gun control advocates acknowledge there will be more legal challenges by gun rights groups, but they remain optimistic most gun laws in the U.S.

VOA: standard.2010.07.06

They were compared with a control group that had more saturated fat in their diets.

VOA: standard.2010.03.25

President Karzai told the delegates he has a plan to legitimize his country's forces in the Afghan people's eyes in order to more effectively take control.

VOA: standard.2010.07.20

He said people could not control their reputation or how they were perceived, but that they could control their character, and that was much more important.

VOA: standard.2010.06.05

Will we have more touch-control or touch-interface or that kind of thing? Yes."

VOA: standard.2010.04.03

One choice Mr.Obama faces is whether to send more troops to Afghanistan to prevent the Taliban from regaining control, or to use special forces and unmanned spy planes to target al-Qaida in Pakistan.

VOA: standard.2009.10.01

Mr.Obama is considering whether to send more troops to Afghanistan to prevent the Taliban from again taking control of the country or to use special forces and unmanned spy planes to target al-Qaida in Pakistan.

VOA: standard.2009.09.29

A recent progress report on HIV/AIDS says Botswana is one of the nine Southern African countries that continue to bear the global burden of HIV/AIDS, with each country having an adult prevalence of more than 10 percent. The government's national AIDS control program has boosted testing,prevention and treatment efforts.

VOA: standard.2010.05.10