herbicides
简明释义
英[hɜːˈbaɪsaɪdz]美[hɜrˈbaɪsaɪdz]
n. [农药]除草剂;除锈剂(herbicide 的复数)
英英释义
Herbicides are chemical substances used to kill or inhibit the growth of unwanted plants, particularly weeds. | 除草剂是一种化学物质,用于杀死或抑制不需要植物的生长,特别是杂草。 |
单词用法
选择性除草剂 | |
非选择性除草剂 | |
土壤处理除草剂 | |
后处理除草剂 | |
施用除草剂 | |
除草剂抗性 | |
除草剂应用 | |
除草剂配方 |
同义词
反义词
杀虫剂 | 农民常常使用杀虫剂来控制昆虫数量。 | ||
肥料 | Applying fertilizers can help improve soil quality and crop yield. | 施用肥料可以帮助改善土壤质量和作物产量。 |
例句
1.Today's Arsenal of insecticides, herbicides, and fungicides is staggering in number and chemical complexity.
今天这些生产杀虫剂、除草剂和杀真菌剂的工厂生产的产品数量更多,化学复杂性也越高。
2.Rash characterized by many comedones that develops from exposure to chlorinated chemicals or herbicides.
是指由于暴露在一些化学物质或除草剂而引发的青春痘类型。
3.It is crucially important to farmers that the herbicides they use to control weeds not damage their crops.
对农民来说至关重要的是,他们用来控制杂草的除草剂不能损害他们的庄稼。
4.Synthetic herbicides, on the other hand, although not any longer lasting, can be reapplied as the crop grows.
另一方面,人造除草剂虽然不再持久,但可以在作物生长时重新使用。
5.But nearly 90 percent of the U.S. cotton crop is so altered, either to resist insects, herbicides or both, according to the U.S. Department of Agriculture.
但根据美国农业部的数据,接近90%的美国棉花作物是做过基因改良的,以防虫或除草或兼而有之。
6.And their use of more herbicides to fight the weeds is sparking environmental concerns.
他们施用更多的除草剂对抗杂草会导致环境问题。
7.All the food could be grown organically, eliminating the need for herbicides, pesticides and fertilisers.
所有的食物都可以有机种植,不需要除草剂、杀虫剂和化肥。
8.The results of this study will provide a theoretical basis for further developing trichothecenes as biological herbicides and insecticides.
这项研究的结果将为进一步开发天花粉作为生物除草剂和杀虫剂提供理论依据。
9.Before applying herbicides, it's important to read the instructions carefully.
在施用除草剂之前,仔细阅读说明是很重要的。
10.Some herbicides are designed to target specific types of weeds.
一些除草剂旨在针对特定类型的杂草。
11.The application of herbicides can significantly increase crop yields.
使用除草剂可以显著提高作物产量。
12.Farmers often use herbicides to control unwanted weeds in their fields.
农民常常使用除草剂来控制田地里的杂草。
13.Environmentalists are concerned about the long-term effects of herbicides on ecosystems.
环保主义者担心除草剂对生态系统的长期影响。
作文
In modern agriculture, the use of herbicides (除草剂) has become a common practice to manage unwanted plants that compete with crops for nutrients, water, and sunlight. These chemical substances are designed to kill or inhibit the growth of specific types of plants, particularly weeds, which can otherwise hinder agricultural productivity. The effectiveness of herbicides (除草剂) lies in their ability to target certain plant species while leaving crops unharmed, making them an essential tool for farmers aiming to maximize their yields.However, the widespread use of herbicides (除草剂) has raised several environmental and health concerns. Many herbicides (除草剂) contain chemicals that can leach into the soil and waterways, potentially harming non-target plants and aquatic ecosystems. Additionally, there is an ongoing debate about the impact of these chemicals on human health, with some studies suggesting a correlation between exposure to herbicides (除草剂) and various health issues, including cancer and reproductive problems.The evolution of herbicides (除草剂) has also led to the emergence of herbicide-resistant crops, which are genetically engineered to withstand specific herbicides (除草剂). This innovation allows farmers to apply herbicides (除草剂) more liberally, further increasing crop yields. However, this practice has resulted in the development of resistant weed populations, creating a cycle of dependency on stronger and more toxic herbicides (除草剂).To address these challenges, sustainable farming practices are being promoted, which include integrated weed management strategies. These methods combine cultural practices, mechanical control, and the judicious use of herbicides (除草剂) to minimize their environmental impact. Farmers are encouraged to adopt crop rotation, cover cropping, and other techniques that reduce the reliance on chemical controls.Furthermore, research into alternative weed management solutions is gaining traction. Organic farming practices often utilize natural herbicides derived from plant materials, which can provide effective weed control without the harmful side effects associated with synthetic herbicides (除草剂). Moreover, advancements in technology, such as precision agriculture, allow for more targeted application of herbicides (除草剂), reducing the overall quantity needed and minimizing off-target effects.In conclusion, while herbicides (除草剂) play a significant role in contemporary agriculture by enhancing crop productivity, their use must be carefully managed to mitigate potential risks to human health and the environment. A balanced approach that incorporates sustainable practices and innovative alternatives can help ensure that agriculture remains productive while safeguarding our ecosystems and communities. As we move forward, it is crucial for farmers, policymakers, and consumers to work together towards a more sustainable agricultural future that minimizes the negative impacts of herbicides (除草剂) while maximizing food security.
在现代农业中,使用除草剂(herbicides)已成为管理与作物争夺养分、水分和阳光的杂草的重要手段。这些化学物质旨在杀死或抑制特定类型植物的生长,特别是杂草,否则会妨碍农业生产力。除草剂(herbicides)的有效性在于它们能够针对某些植物种类,同时不伤害作物,这使它们成为农民最大化产量的必要工具。然而,除草剂(herbicides)的广泛使用引发了一系列环境和健康问题。许多除草剂(herbicides)含有可能渗入土壤和水道的化学物质,可能对非目标植物和水生生态系统造成伤害。此外,关于这些化学物质对人类健康影响的辩论仍在继续,一些研究表明,接触除草剂(herbicides)与各种健康问题(包括癌症和生殖问题)之间存在相关性。除草剂(herbicides)的演变还导致了抗除草剂作物的出现,这些作物经过基因工程改造,能够抵御特定的除草剂(herbicides)。这一创新使农民能够更自由地施用除草剂(herbicides),进一步增加作物产量。然而,这一做法导致了抗药性杂草种群的发展,形成了对更强大和更有毒的除草剂(herbicides)的依赖循环。为了解决这些挑战,正在推广可持续农业实践,包括综合杂草管理策略。这些方法结合了文化实践、机械控制和合理使用除草剂(herbicides),以最小化其对环境的影响。鼓励农民采用轮作、覆盖作物等技术,以减少对化学控制的依赖。此外,对替代杂草管理解决方案的研究正在获得关注。有机农业实践通常利用来自植物材料的天然除草剂,这可以在没有合成除草剂(herbicides)相关有害副作用的情况下提供有效的杂草控制。此外,精确农业等技术的进步使得除草剂(herbicides)的更具针对性施用成为可能,从而减少所需的总体数量,并最小化非目标影响。总之,尽管除草剂(herbicides)在当代农业中通过提高作物生产力发挥了重要作用,但必须谨慎管理其使用,以减轻对人类健康和环境的潜在风险。采用可持续实践和创新替代方案的平衡方法可以帮助确保农业保持高效,同时保护我们的生态系统和社区。展望未来,农民、政策制定者和消费者必须共同努力,朝着一个更可持续的农业未来迈进,尽量减少除草剂(herbicides)的负面影响,同时最大限度地保证粮食安全。