In general,dead or living parts of plants need to be removed to improve the shape or growth of the plant.

VOA: special.2009.07.14

With all this information, researchers say they can begin to improve computer climate models for predicting the behavior of monsoons.

VOA: special.2010.05.25

Researchers studied more than one hundred fifty patients whose condition had failed to improve after taking at least one drug.

VOA: special.2010.03.02

The Colonization Society hoped these negroes would use their skills to help improve life for the people of Africa.

VOA: special.2009.04.16

If possible, in the year before you plant potatoes, plant a cover crop to improve the soil and the potato production.

VOA: special.2009.03.10

To improve clay soils, mix in garden waste or other organic matter and turn the soil deeply in the fall.

VOA: special.2009.03.10

But most food comes from imports. Before the earthquake, the Haitian government and private groups were working to improve agriculture.

VOA: special.2010.04.13

A third area is building data systems that not only measure student success, but also inform teachers how to improve.

VOA: special.2009.07.30

Mother Jones believed that unions represented the best hope for coal miners and other workers to improve their lives.

VOA: special.2009.03.16

During the late 19th century, she traveled around the world to learn about foreign cultures and improve her knowledge of art.

VOA: special.2009.01.11

In nineteen eighty-seven, she founded the Rosa and Raymond Parks Institute for Self-Development to improve the lives of black children.

VOA: special.2009.03.08

Though she never ran for office, she spent her life energetically working to improve the lives of people with developmental problems.

VOA: special.2009.08.23

A simple water pump is helping to improve the lives of poor families in several Asian and African countries.

VOA: special.2009.08.17

Today we talk about a method that helps provide low-income people with the financial services they need to improve their lives.

VOA: special.2010.06.16