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- Irrigation has been used where needed and modern chemical to control weeds. 需水的地方有了灌溉设施，并且采用了现代化学药剂以控制杂草。
- We use natural, environmentally-friendly methods to control weeds, insects, and other harmful predators. 我们使用对环境无害的天然方法来抑制杂草生长、消灭害虫和预防其他危害作物的掠食动物。
- This tillage practice was done by farmers to control weeds and conserve moisture during the fallow period before the wheat crop. 农民用这种耕作措施除草并在种麦前的休闲期保墒。
- Goats are valuable not just for their milk and meat. Or for their ability to help renew grasslands and control weeds. 山羊不只是羊奶和羊肉有利用价值，它们的能力不只体现为可以修复草地，控制杂草，
- The present results show that chemical combined mechanical methods control weed well than other practices. 现有的研究表明，化学与机械结合的防治措施能更好地控制杂草；
- No-till farming is more practical with herbicide-tolerant crops, which allow farmers to control weeds with herbicides rather than tillage. 不整地耕作法特别适用于除草剂耐受作物，因为农夫可省略整地步骤，直接以除草剂来控制杂草。
- Moreover, EM application could control weed germination and growth to some extent. EM的应用在一定程度上可以抑制杂草的发生和生长。
- Goats are raised not just for their milk and meat, and their ability to control weeds and help renew grasslands. They can also be valuable for their hair. 养山羊不仅是为了它的奶和肉,还有它们控制野草、更新草地的能力。他们的毛也非常有价值。
- Echinochloa crusgalli is one of main chemical control weeds in paddy fields.It is one of the key factors of rice stability yield to control effectively barnyard grass. 摘要稗草是直播稻田及水稻轻型栽培的主要杂草，控制好稻田稗草是直播田稳产的关键因子之一。
- The most environmentally benign form of agriculture appears to be "no till" farming, which involves little or no ploughing and relies on cover crops and carefully applied herbicides to control weeds. 最环保的农业生产方式似乎是“免耕”播种，这一生产方式很少或不再耕作，依赖表层植被并谨慎使用除草剂。
- Herbicides provide a cheaper and more effective means of controlling weeds than cultivation. 除草剂比清耕消除杂草成本低，效率高。
- In this experimentation the difference of tolerance, the cell, the Als and the effect of control weed were studied by the different variety of maize treated by the mixture of nicosulfuron and organophosphorous insecticide. 为研究磺酰脲类除草剂与有机磷杀虫剂混合使用时产生的药害及药效，本试验选择烟嘧磺隆与对硫磷作组合处理，研究了不同玉米品种在该处理下的耐性差异、细胞水平上的差异、酶水平上的差异和除草效果。
- Grass cuttings are also a good mulch for plants.Mulch from newspapers works well in controlling weeds. 割下来的杂草也是很好的覆盖物原料，而用报纸做成的覆盖物尤其能控制杂草的滋生。
- Genes have been introduced to crop plants for various reasons, for instance to reduce damage during harvest or to make them resistant to the herbicides used in controlling weeds. 不仅如此，基因也可被导入到农作物中以实现各种生产目的，如：减少对收获期的破坏或抵抗控制杂草的除莠剂的作用。
- Effects of Yi - Pu on control weeds in maize field 乙·扑防除玉米田杂草试验报告
- Control Weeds in Caraway Garden by Stomp Herbicide 施田补防除香菜田杂草试验研究
- Industry rarely thrives under government control. 在政府控制之下工业很少会发达。
- This method covers soil body with plenty of crop stalk and deserted stubble, simplifies cultivation to the degree in which seeds can pullulate, and controls weed, disease and vermin by pesticide. 它是一种用大量秸秆残茬覆盖地表,将耕作减少到只要能保证种子发芽即可,并主要用农药来控制杂草和病虫害的耕作技术。
- Those rebellious teenagers are hard to control. 那些反叛的青少年很难管教。
- Pollution control has cleared the air. 污染管制已净化了空气。
