herbicide

简明释义

英[ˈhɜːbɪsaɪd]美[ˈɜːrbɪsaɪdˌˈhɜːrbɪsaɪd]

n. [农药] 除草剂

复 数 h e r b i c i d e s

英英释义

单词用法

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例句

1.The effect of herbicide damage on the growth and development of soybean was evident.

除草剂药害对大豆正常生长发育产生明显的影响。

2.Now the university says that the culprits applied a herbicide commonly used to kill trees.

可是现在，校方说，犯罪嫌疑人给大树喷了除草剂。

3.Bed planting improves soil fertility and structure and helps reduce erosion, water usage, herbicide use and facilitates mechanical and manual weeding.

垄播改善了土壤肥力和结构，对减少流失、水的利用和除草剂的施用也有帮助，也方便了机械和人工除草。

4.In some cases, no amount of herbicide has allowed farmers to gain control of weeds and farmland has had to be abandoned.

某些情况下，无论使用多少除草剂，农民也无法控制野草的疯长，这样的农田不得不放弃。

5.The crop is genetically modified to tolerate Monsanto's best-selling herbicide Roundup, based on the chemical glyphosate.

这种农作物基因改造使其容忍孟山都公司最为畅销的“终结者”除草剂，基础成分为草甘膦。

6.Sulfonylurea herbicide Rimsulfuron was synthesized by a five-step reaction.

经五步反应合成得到磺酰脲类除草剂玉嘧磺隆。

7.Farmers often use herbicide to control unwanted plants in their fields.

农民经常使用除草剂来控制田地里的杂草。

8.The herbicide was effective in eliminating the invasive species.

该除草剂有效消除了入侵物种。

9.The environmental impact of herbicide use is a growing concern.

使用除草剂对环境的影响正日益受到关注。

10.It's important to apply herbicide at the right time for maximum effectiveness.

在正确的时间施用除草剂对最大效果至关重要。

11.Some farmers prefer organic methods over synthetic herbicide.

一些农民更喜欢有机方法而不是合成的除草剂。

作文

In modern agriculture, the use of chemicals to manage plant growth has become a common practice. Among these chemicals, herbicide (除草剂) plays a crucial role in controlling unwanted plants that compete with crops for nutrients, water, and sunlight. Farmers often face challenges from weeds that can significantly reduce crop yields if left unchecked. Therefore, the application of herbicide (除草剂) has become an essential part of farming strategies aimed at maximizing productivity.The effectiveness of herbicide (除草剂) lies in its ability to selectively target specific types of plants while minimizing harm to the desired crops. This selectivity is vital because it ensures that farmers can protect their investments in crops while efficiently managing weed populations. For example, glyphosate is one of the most widely used herbicide (除草剂) products globally, known for its broad-spectrum efficacy against many weed species. When applied correctly, glyphosate can eliminate troublesome weeds without affecting the growth of certain genetically modified crops that are resistant to it.However, the use of herbicide (除草剂) is not without controversy. Over-reliance on chemical weed control has led to the emergence of herbicide-resistant weed species, which can diminish the effectiveness of these products over time. Farmers are now facing the challenge of managing these resistant weeds, which often require higher doses of herbicide (除草剂) or the use of multiple different herbicides to control them. This situation has sparked a debate about sustainable agricultural practices and the need for integrated weed management strategies.In addition to resistance issues, there are environmental concerns associated with the use of herbicide (除草剂). The runoff from fields treated with herbicides can contaminate nearby water sources, affecting aquatic ecosystems and drinking water supplies. As a result, regulatory agencies around the world are increasingly scrutinizing the use of certain herbicides, leading to bans or restrictions on their application.To combat these challenges, many farmers are exploring alternative methods of weed control that reduce reliance on chemical herbicide (除草剂) products. These methods include mechanical weeding, cover cropping, and the use of organic herbicides derived from natural sources. Such practices not only help mitigate the risks associated with chemical use but also promote biodiversity and improve soil health.In conclusion, while herbicide (除草剂) remains a vital tool in modern agriculture, its usage must be managed carefully to prevent negative consequences such as resistance and environmental degradation. As the agricultural community continues to innovate and adapt, the focus will likely shift towards more sustainable practices that balance the need for effective weed control with the imperative of protecting our environment. Ultimately, the future of farming may depend on our ability to find harmony between technology and nature, ensuring that we can produce food sustainably for generations to come.

在现代农业中，使用化学品来管理植物生长已成为一种普遍做法。在这些化学品中，herbicide（除草剂）在控制与作物争夺养分、水分和阳光的杂草方面发挥着至关重要的作用。农民常常面临杂草带来的挑战，如果不加以控制，杂草会显著减少作物产量。因此，施用herbicide（除草剂）已成为旨在最大化生产力的农业策略的重要组成部分。herbicide（除草剂）的有效性在于它能够选择性地针对特定类型的植物，同时尽量减少对目标作物的伤害。这种选择性至关重要，因为它确保农民可以保护他们对作物的投资，同时有效地管理杂草种群。例如，草甘膦是全球使用最广泛的herbicide（除草剂）产品之一，以其对许多杂草种类的广谱功效而闻名。当正确施用时，草甘膦可以消除麻烦的杂草，而不影响某些转基因作物的生长，这些作物对其具有抗性。然而，使用herbicide（除草剂）并非没有争议。过度依赖化学除草控制导致了抗除草剂杂草种类的出现，这可能会随着时间的推移降低这些产品的有效性。农民现在面临着管理这些抗药性杂草的挑战，这些杂草通常需要更高剂量的herbicide（除草剂）或使用多种不同的除草剂来控制它们。这种情况引发了关于可持续农业实践的辩论，以及对综合杂草管理策略的需求。除了抗药性问题外，使用herbicide（除草剂）还存在环境方面的担忧。从施用除草剂的田地流出的水可能会污染附近的水源，影响水生生态系统和饮用水供应。因此，世界各地的监管机构越来越严格审查某些除草剂的使用，导致对其施用的禁令或限制。为应对这些挑战，许多农民正在探索替代的杂草控制方法，以减少对化学herbicide（除草剂）产品的依赖。这些方法包括机械除草、覆盖作物以及使用来自自然来源的有机除草剂。这些做法不仅有助于减轻与化学使用相关的风险，还促进了生物多样性和改善土壤健康。总之，尽管herbicide（除草剂）仍然是现代农业中的一项重要工具，但其使用必须谨慎管理，以防止抗药性和环境退化等负面后果。随着农业界不断创新和适应，重点可能会转向更可持续的实践，以平衡有效的杂草控制需求与保护环境的必要性。最终，农业的未来可能取决于我们找到技术与自然之间和谐的能力，确保我们能够为未来几代人可持续地生产食物。