water requirement of paddy field

简明释义

田间需水量

英英释义

例句

1.The water requirement of paddy field is typically higher during the flowering period of rice.

稻田的水分需求在水稻的开花期通常较高。

2.Farmers should monitor the water requirement of paddy field to prevent waterlogging or drought.

农民应监测稻田的水分需求以防止积水或干旱。

3.The water requirement of paddy field varies depending on the growth stage of the rice plants.

稻田的水分需求根据水稻植物的生长阶段而有所不同。

4.Research indicates that the water requirement of paddy field can be reduced with proper soil management.

研究表明，通过适当的土壤管理可以减少稻田的水分需求。

5.Understanding the water requirement of paddy field is crucial for farmers to optimize irrigation practices.

了解稻田的水分需求对于农民优化灌溉实践至关重要。

作文

The cultivation of rice, one of the most important staple foods in the world, requires careful management of water resources. Understanding the water requirement of paddy field is crucial for farmers to ensure a successful harvest. Paddy fields, which are flooded rice fields, need a specific amount of water at different growth stages of the rice plant. Generally, the water requirement of paddy field varies depending on several factors such as climate, soil type, and rice variety. During the initial stages of growth, rice seedlings require a consistent supply of water to establish strong roots. This period usually lasts for about 20-30 days after planting. During this time, maintaining an adequate water level in the paddy field is essential to prevent the seedlings from drying out. The water requirement of paddy field during this stage is relatively high, as the young plants are sensitive to drought conditions.As the rice plants mature, their water requirement of paddy field may change. For instance, during the tillering stage, the water level can be slightly reduced without negatively impacting growth. However, it is crucial to monitor the moisture levels closely, as insufficient water can lead to stress on the plants, affecting their yield. Additionally, during the flowering stage, it is critical to maintain optimal water levels to support grain development. Farmers must be vigilant during this phase, as any water stress can result in poor pollination and reduced grain filling.Moreover, the water requirement of paddy field is not uniform across different geographical regions. In areas with high rainfall, farmers may rely on natural precipitation to meet the water needs of their crops. Conversely, in arid regions, irrigation becomes necessary to supplement the water supply. Understanding local climate patterns and soil characteristics is vital for farmers to effectively manage their water resources and optimize the water requirement of paddy field.In recent years, the impact of climate change has also affected the water requirement of paddy field. Changes in rainfall patterns and increased temperatures can lead to altered water availability, making it even more challenging for farmers to meet the needs of their crops. Therefore, adopting sustainable water management practices is essential. Techniques such as alternate wetting and drying (AWD) have been introduced to help reduce water usage while maintaining crop yields. This method involves allowing the paddy field to dry out intermittently, which can improve water efficiency and reduce methane emissions from flooded fields.In conclusion, understanding the water requirement of paddy field is fundamental to successful rice farming. By carefully managing water resources throughout the growth cycle of rice plants, farmers can enhance productivity and sustainability. As global food demands continue to rise, addressing the challenges associated with water management in paddy fields will be crucial for ensuring food security and environmental conservation. Farmers, researchers, and policymakers must work together to develop innovative solutions that consider the unique water requirement of paddy field in various contexts.

水稻的种植是世界上最重要的主食之一，这需要对水资源进行仔细管理。理解水稻田的水需求对农民确保丰收至关重要。稻田是被淹没的水稻田，在水稻植物的不同生长阶段需要特定数量的水。一般来说，水稻田的水需求因气候、土壤类型和水稻品种等多个因素而异。在生长初期，水稻幼苗需要持续的水供应以建立强健的根系。这个阶段通常持续约20-30天。在此期间，保持稻田中的适当水位对于防止幼苗干枯至关重要。此阶段的水稻田的水需求相对较高，因为幼苗对干旱条件非常敏感。随着水稻植物的成熟，它们的水稻田的水需求可能会发生变化。例如，在分蘖阶段，水位可以稍微降低，而不会对生长产生负面影响。然而，必须密切监测土壤湿度水平，因为水分不足会给植物带来压力，从而影响产量。此外，在开花阶段，维持最佳水位对支持谷物发育至关重要。农民在这一阶段必须保持警惕，因为任何水分压力都可能导致授粉不良和谷粒灌浆减少。此外，水稻田的水需求在不同地理区域并不均匀。在降雨量丰富的地区，农民可能依赖自然降水来满足作物的水需求。相反，在干旱地区，灌溉变得必要，以补充水源。理解当地气候模式和土壤特性对农民有效管理水资源和优化水稻田的水需求至关重要。近年来，气候变化的影响也影响了水稻田的水需求。降雨模式的变化和气温的升高可能导致水资源的可用性变化，使农民更难满足作物的需求。因此，采用可持续的水管理实践是必不可少的。诸如间歇性淹灌（AWD）等技术已经被引入，以帮助减少水的使用，同时保持作物产量。这种方法涉及让稻田间歇性干燥，这可以提高水的利用效率并减少淹水田的甲烷排放。总之，理解水稻田的水需求对于成功的水稻种植至关重要。通过在水稻植物的生长周期中仔细管理水资源，农民可以提高生产力和可持续性。随着全球食品需求的持续上升，解决与稻田水管理相关的挑战将对确保食品安全和环境保护至关重要。农民、研究人员和政策制定者必须共同努力，开发考虑到不同背景下水稻田的水需求的创新解决方案。