It found that many farmers have better harvests, better weed control and fewer losses from insect damage compared to traditional crops.

VOA: special.2010.04.27

We're not using them to weed you out, we're using them to help you learn.

我们不会用他们来淘汰你们，而是用他们来帮助你们学习。

麻省理工公开课 - 计算机科学及编程导论课程节选

After the general's first victory, New York political leader Thurlow Weed happened to meet Taylor's brother on a Hudson River steamboat.

VOA: special.2009.03.05

After the potato plants appear, organic mulch can be spread around to hold moisture, help suppress weed growth and cool the soil.

VOA: special.2009.03.10

The study found that many farmers have better harvests, better weed control and fewer losses from insect damage compared to traditional crops.

VOA: special.2010.05.18

Two of the plants growing in the wild showed resistance to both kinds of weed killers.

VOA: special.2010.09.14

The seeds need light to grow, so blocking the sun will reduce weed growth.

VOA: special.2010.08.10

"We really need to get after this weed resistance problem right away before we lose the efficacy of that technology."

VOA: standard.2010.04.15

There are two major traits among these GE crops: resistance to certain insect pests, and resistance to a weed-killer called glyphosate.

VOA: standard.2010.04.15