herbicidal

简明释义

英[hɜːˈbɪsɪdəl]美[hɜrˈbɪsaɪdəl]

除草剂

英英释义

单词用法

同义词

反义词

例句

1.Agent Orange, an herbicide named after the color of its containers, was used in a systematic herbicidal program organized by the us military that ran from 1961 through 1971 in Vietnam.

“橙剂”是一种除草剂，得名于它容器的色彩。这种除草剂曾用于1961至1971年间美军在越南组织的一项体系的除草工程。

2.The compound has good herbicidal function to crabgrass and abutilon.

本发明的化合物对马唐、苘麻具有良好的除草作用。

3.The steric structure is the main effect on the herbicidal activity as results.

研究结果表明，影响其药效的主要因素是空间结构。

4.The results show that herbicidal activity is closely related to the steric and electronic properties of the 5-position of the benzene ring.

结果表明，此类磺酰脲类化合物的除草活性与苯环5位取代基的立体结构和电场性质密切相关。

5.Electron - withdrawing 2 - substituents and electron - donating 3 - substituents of the phenyl ring are favorable for increased herbicidal activity.

苯环2位是拉电子基，3位是给电子基有利于提高除草活性。

6.The present invention discloses the use of the herbicidal agent glyphosate in combination with the polyvalent anion oxalic acid for the prevention and therapy of these pathogenic infections.

本发明揭示除草剂性草甘膦结合使用多价阴离子草酸作为这些病原感染的预防和治疗。

7.The new herbicidal 除草剂的 formulation is more effective than previous versions.

这种新的除草剂的除草剂配方比以前的版本更有效。

8.Farmers often use herbicidal 除草剂的 chemicals to control weed growth in their fields.

农民们常常使用除草剂的除草剂化学品来控制他们田地里的杂草生长。

9.Using herbicidal 除草剂的 methods can help reduce competition for nutrients among crops.

使用除草剂的除草剂方法可以帮助减少作物之间对养分的竞争。

10.The research focused on the herbicidal 除草剂的 properties of certain natural compounds.

该研究集中在某些天然化合物的除草剂的除草剂特性上。

11.Some plants have developed resistance to common herbicidal 除草剂的 agents.

一些植物对常见的除草剂的除草剂剂量已经产生了抗药性。

作文

In modern agriculture, the use of chemicals has become an essential practice for enhancing crop yield and managing weeds. One of the critical categories of these chemicals is herbicides, which are specifically designed to eliminate unwanted plants. Among them, herbicidal agents play a significant role in ensuring that crops thrive without competition from weeds. Understanding the implications of using herbicidal substances is crucial for farmers, environmentalists, and consumers alike.Herbicides can be classified into various types based on their mode of action. Some are selective, targeting specific types of weeds while leaving the crops unharmed, while others are non-selective and kill all vegetation they come into contact with. The effectiveness of herbicidal products can vary depending on numerous factors, including the type of weed, the timing of application, and environmental conditions. For instance, applying a herbicidal agent at the wrong time can lead to ineffective weed control and potential harm to the crops.The benefits of using herbicidal chemicals are evident in increased agricultural productivity. By controlling weeds, farmers can reduce competition for nutrients, water, and light, leading to healthier and more robust crops. This, in turn, can result in higher yields and better economic returns. Additionally, the use of herbicidal substances can save farmers time and labor costs, as manual weeding can be a labor-intensive and time-consuming process.However, the reliance on herbicidal chemicals also raises significant concerns. One of the primary issues is the potential for herbicide resistance. Over time, some weed species may develop resistance to certain herbicidal agents, making them less effective and forcing farmers to use even more potent chemicals or larger quantities. This cycle can create a dependency on chemical solutions that may not be sustainable in the long run.Moreover, there are environmental implications associated with the use of herbicidal substances. Runoff from treated fields can contaminate nearby water sources, affecting aquatic life and potentially entering the human food chain. Additionally, the impact of herbicidal agents on non-target species, including beneficial insects and soil microorganisms, can disrupt local ecosystems and biodiversity.To mitigate these risks, integrated weed management strategies are being promoted. These approaches combine the use of herbicidal chemicals with cultural practices, such as crop rotation, cover cropping, and mechanical weeding. By diversifying weed control methods, farmers can reduce their reliance on chemical solutions and promote a more sustainable agricultural system.In conclusion, while herbicidal agents are indispensable tools in modern agriculture, their use must be carefully managed to avoid negative consequences. Balancing the benefits of weed control with the need to protect the environment and maintain biodiversity is essential for the future of farming. As consumers, understanding the implications of herbicidal use can help us make informed choices about the food we consume and advocate for sustainable agricultural practices.

在现代农业中，化学品的使用已成为提高作物产量和管理杂草的重要实践。这些化学品中一个关键类别是除草剂，它们专门设计用于消除不需要的植物。在这些除草剂中，herbicidal（除草剂的）剂发挥着重要作用，确保作物在没有杂草竞争的情况下茁壮成长。理解使用herbicidal物质的影响对农民、环境保护者和消费者而言都是至关重要的。除草剂可以根据其作用方式进行分类。有些是选择性的，专门针对特定类型的杂草，同时不伤害作物，而其他则是非选择性的，会杀死与之接触的所有植被。herbicidal产品的有效性可能会因多种因素而异，包括杂草的类型、施用时间和环境条件。例如，在错误的时间施用herbicidal剂可能导致杂草控制无效，并可能对作物造成伤害。使用herbicidal化学品的好处在于提高了农业生产力。通过控制杂草，农民可以减少对养分、水分和光照的竞争，从而使作物更加健康和强壮。这反过来又可以导致更高的产量和更好的经济回报。此外，使用herbicidal物质可以节省农民的时间和劳动力成本，因为人工除草可能是一项劳动密集型且耗时的过程。然而，对herbicidal化学品的依赖也引发了重大担忧。主要问题之一是除草剂抗性的问题。随着时间的推移，一些杂草物种可能会对某些herbicidal剂产生抗性，使它们效果下降，迫使农民使用更强效的化学品或更大剂量。这种循环可能导致对化学解决方案的依赖，而这种依赖在长期内可能不可持续。此外，使用herbicidal物质还会带来环境影响。处理过的田地的径流可能会污染附近的水源，影响水生生物并可能进入人类食物链。此外，herbicidal剂对非目标物种（包括有益昆虫和土壤微生物）的影响可能会破坏当地生态系统和生物多样性。为了减轻这些风险，正在推广综合杂草管理策略。这些方法将使用herbicidal化学品与文化实践相结合，例如作物轮作、覆盖作物和机械除草。通过多样化杂草控制方法，农民可以减少对化学解决方案的依赖，促进更可持续的农业系统。总之，虽然herbicidal剂是现代农业中不可或缺的工具，但其使用必须谨慎管理，以避免负面后果。在控制杂草的好处与保护环境和维护生物多样性之间取得平衡，对于未来的农业至关重要。作为消费者，理解herbicidal使用的影响可以帮助我们做出明智的选择，关于我们消费的食品，并倡导可持续的农业实践。