monuron

简明释义

英[ˈmɒn.jʊ.rɒn]美[ˈmɒn.jʊ.rɒn]

n. [农药] 灭草隆（一种除草剂）

英英释义

单词用法

同义词

反义词

例句

1.From the organic carbon adsorption constant, linuron had middling transference, diuron and monuron had upper transference, and these showed that they had worse transference in the soil.

从有机碳吸附常摘要数看，利谷隆具有“中等移动性”，灭草隆、敌草隆具有“较高移动性”，说明它们在土壤中的迁移性较差。

2.From the organic carbon adsorption constant, linuron had middling transference, diuron and monuron had upper transference, and these showed that they had worse transference in the soil.

从有机碳吸附常摘要数看，利谷隆具有“中等移动性”，灭草隆、敌草隆具有“较高移动性”，说明它们在土壤中的迁移性较差。

3.Farmers use monuron to control the growth of weeds in their crops.

农民使用monuron来控制作物中的杂草生长。

4.The application of monuron is regulated due to its potential environmental impact.

由于monuron可能对环境造成影响，其使用受到监管。

5.Researchers are studying the effects of monuron on aquatic life.

研究人员正在研究monuron对水生生物的影响。

6.Before using monuron, farmers must read the safety guidelines.

在使用monuron之前，农民必须阅读安全指南。

7.The effectiveness of monuron can vary depending on the soil type.

根据土壤类型，monuron的有效性可能有所不同。

作文

The world of agriculture is constantly evolving, with new chemicals and compounds being introduced to improve crop yields and protect plants from pests. One such compound that has garnered attention in recent years is monuron, a herbicide that has been widely used for weed control in various crops. Understanding the role and impact of monuron is crucial for farmers and agricultural scientists alike. This essay aims to delve into the characteristics, applications, and potential environmental concerns associated with monuron. Firstly, monuron is classified as a selective herbicide, which means it targets specific types of plants while leaving others unharmed. It is particularly effective against annual grasses and certain broadleaf weeds, making it a valuable tool in the management of weed populations in crops such as sugarcane and corn. The chemical works by inhibiting photosynthesis in the targeted plants, leading to their eventual death. This mechanism of action allows farmers to maintain healthier crops by reducing competition for nutrients, water, and sunlight. The application of monuron is typically done pre-emergence or post-emergence, depending on the specific needs of the crop and the timing of weed growth. Farmers often appreciate the flexibility of using monuron, as it can be applied in various weather conditions and soil types. Additionally, its effectiveness at low application rates makes it an economical choice for many growers. However, while monuron offers significant benefits, it is not without its drawbacks. One major concern regarding the use of monuron is its potential impact on the environment. Like many herbicides, monuron can contaminate soil and water if not used properly. There have been instances where runoff from treated fields has led to the presence of monuron in nearby water bodies, raising alarms about its effects on aquatic ecosystems. Research has shown that monuron can be toxic to certain fish and invertebrate species, prompting calls for more stringent regulations on its use. Moreover, the over-reliance on monuron and similar herbicides can lead to the development of resistant weed populations. This resistance poses a significant challenge for farmers, as it can diminish the effectiveness of monuron over time and necessitate the use of higher doses or alternative chemicals, which may further exacerbate environmental issues. To combat this problem, integrated weed management strategies are being promoted, which involve rotating different herbicides and employing cultural practices to reduce weed pressure. In conclusion, monuron plays a significant role in modern agriculture, providing farmers with an effective means of controlling weeds and enhancing crop productivity. However, its use must be approached with caution due to the potential environmental risks and the threat of developing resistant weed populations. As agricultural practices continue to evolve, it is essential for stakeholders to remain informed about the implications of using compounds like monuron and to adopt sustainable practices that balance productivity with environmental stewardship. By doing so, we can ensure that agriculture remains viable for future generations while minimizing its ecological footprint.

农业世界正在不断发展，新的化学物质和化合物被引入以提高作物产量并保护植物免受害虫侵害。其中一种近年来受到关注的化合物是monuron，这是一种广泛用于各种作物除草的 herbicide。理解monuron的作用和影响对农民和农业科学家都至关重要。本文旨在深入探讨monuron的特性、应用及其潜在的环境问题。 首先，monuron被归类为选择性除草剂，这意味着它针对特定类型的植物，而不伤害其他植物。它对一年生禾草和某些阔叶杂草特别有效，使其成为管理糖蔗和玉米等作物中杂草种群的重要工具。这种化学物质通过抑制目标植物的光合作用来发挥作用，导致其最终死亡。这种作用机制使农民能够通过减少营养、水分和阳光的竞争来保持更健康的作物。 monuron的应用通常是在作物出芽前或出芽后进行，具体取决于作物的需求和杂草生长的时间。农民通常欣赏使用monuron的灵活性，因为它可以在各种天气条件和土壤类型下施用。此外，它在低施用率下的有效性使其成为许多种植者的经济选择。然而，虽然monuron提供了显著的好处，但它并非没有缺点。 关于使用monuron的一个主要担忧是其对环境的潜在影响。像许多除草剂一样，如果使用不当，monuron可能会污染土壤和水源。有实例表明，处理过的田地的径流导致附近水体中出现monuron，引发了对其对水生态系统影响的警报。研究表明，monuron对某些鱼类和无脊椎动物物种可能具有毒性，促使人们呼吁对其使用实施更严格的监管。 此外，过度依赖monuron和类似的除草剂可能导致抗性杂草种群的发展。这种抗性对农民构成了重大挑战，因为随着时间的推移，它可能会降低monuron的有效性，并需要使用更高剂量或替代化学品，这可能进一步加剧环境问题。为了应对这个问题，正在推广综合杂草管理策略，这涉及轮换不同的除草剂和采用文化实践以减少杂草压力。 总之，monuron在现代农业中扮演着重要角色，为农民提供了一种有效控制杂草和提高作物生产力的手段。然而，由于潜在的环境风险和抗性杂草种群的发展威胁，其使用必须谨慎对待。随着农业实践的不断演变，利益相关者必须保持对使用像monuron这样的化合物影响的关注，并采取可持续的做法，以平衡生产力与环境管理。通过这样做，我们可以确保农业在未来几代人的生存能力，同时尽量减少其生态足迹。