They say the roots develop better. But Jeffrey Dinslage, president of Nature Hills Nursery in Omaha,Nebraska, points out that bare-root roses come without soil.

VOA: special.2010.06.15

As Hanson points out, look at the difference between this and previous ways of working the soil.

正如汉森所指出的那样,比较此方式和旧有耕作方式的不同你就会发现

耶鲁公开课 - 古希腊历史简介课程节选

Other plants take nitrogen out of the soil, but beans and other legumes replace it.

VOA: special.2009.03.24

They take nitrogen out of the air and put it in the soil.

VOA: special.2009.09.01

Take out as much soil as you can with the seedlings.

VOA: special.2009.04.28

saying the president knows that al-Qaida terrorists remain committed to carrying out a deadly attack on U.S.soil.

VOA: standard.2009.08.06

Maize takes a lot of nutrients out of the soil. One of the virtues of the soybean plant is that it replaces those nutrients.

VOA: standard.2010.02.01

He says the soil is worn out, partially due to poor crop rotation.

VOA: standard.2010.04.01