irrigation requirement

简明释义

灌溉需水量

英英释义

例句

1.Farmers need to calculate the irrigation requirement for their crops to ensure optimal growth.

农民需要计算他们作物的灌溉需求以确保最佳生长。

2.The irrigation requirement of a field can vary based on soil type and weather conditions.

一个田地的灌溉需求可能会根据土壤类型和天气条件而有所不同。

3.Using a soil moisture sensor can help determine the irrigation requirement more accurately.

使用土壤湿度传感器可以更准确地确定灌溉需求。

4.Different crops have different irrigation requirements depending on their growth stages.

不同的作物在生长阶段有不同的灌溉需求。

5.The local agriculture department provides guidelines on the irrigation requirements for various crops.

当地农业部门提供有关各种作物的灌溉需求的指导。

作文

Irrigation is a crucial aspect of agriculture, particularly in regions where rainfall is insufficient to meet the needs of crops. Understanding the irrigation requirement of a specific crop is essential for farmers to optimize water usage and ensure healthy growth. The irrigation requirement refers to the amount of water needed to maintain adequate soil moisture for plant development. This requirement varies depending on several factors, including the type of crop, soil characteristics, climate conditions, and growth stage.For instance, some crops, such as rice, have high irrigation requirements because they thrive in wet conditions. In contrast, drought-resistant plants like cacti have minimal irrigation requirements. Farmers must assess these needs carefully to avoid under-irrigation, which can lead to stunted growth or crop failure, or over-irrigation, which can cause waterlogging and root diseases.To determine the irrigation requirement, farmers can use various methods, including soil moisture sensors, weather forecasts, and evapotranspiration calculations. These tools help in estimating how much water is lost through evaporation and transpiration, allowing for more precise irrigation scheduling. By tailoring their irrigation practices to the specific irrigation requirements of their crops, farmers can conserve water resources and improve yield.Moreover, understanding the irrigation requirement is not only beneficial for individual farmers but also for the environment. Efficient water management ensures that water is used sustainably, reducing the risk of depletion of local water sources. It also minimizes runoff, which can carry fertilizers and pesticides into nearby waterways, potentially harming aquatic ecosystems.In addition to traditional irrigation methods, modern technologies such as drip irrigation and sprinkler systems can be employed to meet the irrigation requirements more effectively. These systems deliver water directly to the roots of plants, minimizing waste and ensuring that each plant receives the appropriate amount of moisture. As a result, farmers can achieve better crop yields while using less water.Education and training on the irrigation requirement are vital for farmers, especially in developing countries where water scarcity is a pressing issue. Agricultural extension services can provide valuable information on best practices for irrigation management, helping farmers to adapt to changing climate conditions and optimize their water use.In conclusion, understanding the irrigation requirement of crops is fundamental for successful agriculture. By accurately assessing and managing these requirements, farmers can enhance their productivity, conserve water, and contribute to sustainable farming practices. As global populations continue to rise, efficient water use in agriculture will become increasingly important, making the knowledge of irrigation requirements an essential skill for future generations of farmers.

灌溉是农业中一个至关重要的方面，特别是在降雨不足以满足作物需求的地区。了解特定作物的灌溉需求对农民优化水资源使用和确保健康生长至关重要。灌溉需求指的是维持植物生长所需的土壤湿度所需的水量。这个需求因多种因素而异，包括作物类型、土壤特性、气候条件和生长阶段。例如，一些作物，如水稻，由于在潮湿条件下生长良好，因此具有较高的灌溉需求。相反，耐旱植物如仙人掌的灌溉需求很少。农民必须仔细评估这些需求，以避免灌溉不足，这可能导致生长迟缓或作物失败，或者灌溉过多，这可能导致水涝和根部疾病。为了确定灌溉需求，农民可以使用各种方法，包括土壤湿度传感器、天气预报和蒸散发计算。这些工具帮助估算通过蒸发和植物蒸腾失去的水量，从而允许更精确的灌溉安排。通过根据作物的具体灌溉需求量身定制灌溉实践，农民可以节约水资源并提高产量。此外，理解灌溉需求不仅对个别农民有益，而且对环境也有益。有效的水管理确保水资源的可持续使用，减少当地水源枯竭的风险。它还最小化径流，这可能会将肥料和农药带入附近的水道，从而可能危害水生生态系统。除了传统的灌溉方法，现代技术如滴灌和喷灌系统也可以更有效地满足灌溉需求。这些系统直接将水输送到植物的根部，最大限度地减少浪费，确保每株植物获得适量的水分。因此，农民可以在使用更少水的情况下实现更好的作物产量。关于灌溉需求的教育和培训对农民至关重要，尤其是在水资源短缺问题突出的发展中国家。农业推广服务可以提供有关灌溉管理最佳实践的宝贵信息，帮助农民适应变化的气候条件并优化水的使用。总之，了解作物的灌溉需求是成功农业的基础。通过准确评估和管理这些需求，农民可以提高生产力，节约水资源，并为可持续农业实践做出贡献。随着全球人口的持续增长，农业中高效的水利用将变得越来越重要，使对灌溉需求的知识成为未来几代农民的一项基本技能。