To control weed in tobacco field more effectively, field experiments were carried out with 3 types of herbicidal film after flue-cured tobacco transplanting.

为更有效地防除烟田杂草，在烤烟移栽大田后采用3种除草膜进行了烟田除草试验。

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Of course, biological control agents can safely be released only if it can be verified that they feed solely on the target weed.

当然，只有能够证明它们仅以目标杂草为食，生物控制剂才能安全释放。

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CIBC successfully used a seed-feeding weevil, native to Mexico, to control the obnoxious parthenium weed, known to exert devious influence on agriculture and human health in both India and Australia.

加拿大帝国商业银行成功地使用了一种原产于墨西哥的以种子为食的象鼻虫来控制讨厌的帕特农杂草，这种杂草已知会对印度和澳大利亚的农业和人类健康产生负面影响。

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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

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

With Roundup-ready soybeans, for example, a grower only needs to apply Roundup herbicide during planting, while traditional soybean seeds require application during planting and again while the crop is growing in order to achieve the same level of weed control.

FORBES: Commentary

Benbrook also fails to mention that by improving weed control and reducing the need for ploughing, genetically engineered herbicide-tolerant crops enable many farmers in North and South America to adopt and maintain no- or reduced-tillage production systems, which results in important reductions in greenhouse gas emissions.

FORBES: How Groundbreaking New Technologies Are Smothered By Anti-Technology Ideologues

's Concern brand is one of two dozen companies offering an alternative to Turf Builder in a lawn fertilizer weed-control product that is derived from corn (but kills weeds like crabgrass only as they germinate).

FORBES: Magazine Article