irrigation canal

简明释义

灌溉渠

英英释义

例句

1.The farmers organized a community meeting to discuss issues related to the irrigation canal.

农民们组织了一次社区会议，讨论与灌溉渠相关的问题。

2.The irrigation canal was constructed to improve agricultural productivity in the region.

为了提高该地区的农业生产力，修建了灌溉渠。

3.During the summer, the irrigation canal is often filled with water from the nearby river.

在夏季，附近河流的水常常流入灌溉渠。

4.Farmers rely on the irrigation canal to supply water to their crops during the dry season.

农民依赖灌溉渠在干旱季节为他们的作物提供水源。

5.Local authorities are responsible for maintaining the irrigation canal to prevent flooding.

当地政府负责维护灌溉渠以防止洪水。

作文

Irrigation is a vital practice in agriculture, especially in regions where rainfall is insufficient to meet the water needs of crops. One of the most effective methods of irrigation is through the use of an irrigation canal, which is a man-made channel designed to transport water from a source, such as a river or reservoir, to agricultural fields. The importance of irrigation canals cannot be overstated, as they play a crucial role in ensuring food security and promoting sustainable farming practices.In many parts of the world, especially in arid and semi-arid regions, farmers rely heavily on irrigation canals to provide the necessary water for their crops. These canals are often constructed to optimize the flow of water, minimizing evaporation and maximizing efficiency. By directing water precisely where it is needed, irrigation canals help to increase crop yields and improve the quality of produce. For instance, in countries like India and Egypt, extensive networks of irrigation canals have transformed barren landscapes into fertile farmland, enabling farmers to cultivate a diverse range of crops throughout the year.Moreover, irrigation canals contribute to the management of water resources. They allow for better control of water distribution, which is essential during dry seasons when water scarcity is a significant concern. Farmers can schedule their irrigation practices more effectively, ensuring that each crop receives the right amount of water at the right time. This not only enhances productivity but also helps in conserving water, making agriculture more sustainable in the long run.However, the construction and maintenance of irrigation canals require careful planning and investment. Poorly designed canals can lead to water loss through seepage or evaporation, negating the benefits of irrigation. Furthermore, if not managed properly, irrigation canals can cause soil salinization, which is detrimental to crop growth. Therefore, it is essential for agricultural authorities to implement best practices in the design and upkeep of these canals to ensure that they serve their intended purpose without causing environmental harm.In addition to their agricultural benefits, irrigation canals can also have a positive impact on local ecosystems. By providing a consistent water source, these canals can support biodiversity in surrounding areas. They can create habitats for various species of plants and animals, contributing to the overall health of the environment. Moreover, irrigation canals can be integrated with other water management systems, such as drainage ditches and wetlands, to enhance their ecological functions.In conclusion, irrigation canals are an indispensable component of modern agriculture. They facilitate efficient water management, boost crop production, and contribute to environmental sustainability. As the global population continues to grow and climate change poses new challenges to food security, the role of irrigation canals will only become more critical. It is imperative for governments and agricultural organizations to invest in the development and maintenance of these vital infrastructures to ensure a stable and sustainable food supply for future generations.

灌溉是农业中一项重要的实践，尤其是在降雨不足以满足作物水分需求的地区。最有效的灌溉方法之一是通过使用灌溉渠，这是一种人造渠道，旨在将水从河流或水库等水源输送到农田。灌溉渠的重要性不容小觑，因为它们在确保粮食安全和促进可持续农业实践方面发挥着关键作用。在世界许多地方，尤其是在干旱和半干旱地区，农民在很大程度上依赖灌溉渠为作物提供必要的水分。这些渠通常被建造以优化水流，最小化蒸发并最大化效率。通过精确地将水引导到所需位置，灌溉渠有助于提高作物产量和改善产品质量。例如，在印度和埃及等国，广泛的灌溉渠网络已将贫瘠的土地转变为肥沃的农田，使农民能够全年种植多样化的作物。此外，灌溉渠有助于水资源的管理。它们允许更好地控制水的分配，这在干旱季节水资源短缺时尤为重要。农民可以更有效地安排灌溉实践，确保每种作物在合适的时间获得适量的水。这不仅提高了生产力，还有助于节约用水，使农业在长远中更加可持续。然而，建设和维护灌溉渠需要仔细的规划和投资。设计不当的渠可能导致水分通过渗漏或蒸发而流失，从而抵消灌溉的好处。此外，如果管理不当，灌溉渠可能导致土壤盐碱化，这对作物生长是有害的。因此，农业部门必须实施最佳实践，以确保这些渠道的设计和维护能够达到预期目的，而不会造成环境危害。除了农业利益外，灌溉渠还可以对当地生态系统产生积极影响。通过提供稳定的水源，这些渠可以支持周围地区的生物多样性。它们可以为各种植物和动物物种创造栖息地，促进环境的整体健康。此外，灌溉渠可以与其他水管理系统（如排水沟和湿地）结合，以增强其生态功能。总之，灌溉渠是现代农业不可或缺的组成部分。它们促进高效的水管理，提高作物生产，并有助于环境可持续性。随着全球人口的不断增长以及气候变化对粮食安全提出的新挑战，灌溉渠的作用将变得更加重要。各国政府和农业组织必须投资于这些重要基础设施的发展和维护，以确保未来几代人稳定和可持续的食品供应。