soil sample
简明释义
土壤样品
英英释义
A soil sample is a portion of soil collected for analysis to determine its physical and chemical properties. | 土壤样本是为了分析其物理和化学特性而收集的一部分土壤。 |
例句
1.The researchers sent the soil sample to the lab for further analysis.
研究人员将土壤样本送往实验室进行进一步分析。
2.Before planting, it's advisable to take a soil sample for testing.
在种植之前,建议进行一次土壤样本测试。
3.A soil sample can reveal the presence of contaminants in the land.
一个土壤样本可以揭示土地中污染物的存在。
4.Farmers often test a soil sample to determine the nutrient levels.
农民通常会测试一个土壤样本来确定养分水平。
5.The geologist collected a soil sample to analyze its composition.
地质学家收集了一个土壤样本以分析其成分。
作文
Soil is one of the most essential natural resources on our planet. Understanding its composition and health is crucial for agriculture, environmental science, and land management. One of the primary methods used to analyze soil is through the collection of a soil sample. A soil sample is a portion of soil that is taken from a specific location for testing and analysis. This process allows scientists and farmers to gain insights into the nutrient content, pH level, and overall quality of the soil. The importance of collecting a soil sample cannot be overstated. For farmers, knowing the condition of their soil can directly impact crop yield. By analyzing a soil sample, they can determine what nutrients are lacking and what amendments need to be added to optimize growth. For instance, if a soil sample reveals low nitrogen levels, a farmer might choose to apply fertilizers rich in nitrogen to enhance plant growth. In environmental science, soil samples are critical for assessing contamination and pollution levels. When a soil sample is collected from an area suspected of being contaminated, it can be analyzed for harmful chemicals or heavy metals. This information is vital for remediation efforts and for ensuring the safety of food produced in that soil. For example, if a soil sample shows elevated levels of lead, appropriate measures can be taken to mitigate exposure risks to humans and animals. The process of collecting a soil sample involves several steps to ensure accuracy and reliability. First, it is essential to choose the right location and depth for sampling. Different areas may have varying soil characteristics, so selecting representative spots is crucial. Next, tools such as soil augers or shovels are used to extract the soil sample. Care must be taken to avoid contamination during this process. Once collected, the soil sample should be placed in a clean container and labeled correctly to track its origin. After the soil sample has been collected, it is sent to a laboratory for analysis. Here, various tests are conducted to evaluate the physical and chemical properties of the soil. Common tests include measuring pH, organic matter content, and levels of essential nutrients like phosphorus, potassium, and nitrogen. The results of these tests provide valuable information that can guide land management decisions and agricultural practices. In conclusion, the collection and analysis of a soil sample play a vital role in understanding soil health and quality. Whether for agricultural purposes or environmental assessments, soil samples provide critical data that informs decision-making and promotes sustainable practices. As we continue to face challenges related to food security and environmental degradation, the significance of soil samples will only grow. By investing time and resources into understanding our soils through soil samples, we can better protect and manage this invaluable resource for future generations.
土壤是我们星球上最重要的自然资源之一。理解其成分和健康状况对农业、环境科学和土地管理至关重要。分析土壤的主要方法之一是通过收集土壤样本。土壤样本是从特定位置提取的一部分土壤,用于测试和分析。这个过程使科学家和农民能够深入了解土壤的养分含量、pH值和整体质量。 收集土壤样本的重要性不容小觑。对于农民来说,了解土壤的状况可以直接影响作物产量。通过分析土壤样本,他们可以确定缺乏哪些养分,以及需要添加哪些改良剂以优化生长。例如,如果土壤样本显示氮含量低,农民可能会选择施用富含氮的肥料来促进植物生长。 在环境科学中,土壤样本对于评估污染和污染水平至关重要。当从怀疑被污染的区域收集土壤样本时,可以分析有害化学物质或重金属。这些信息对于修复工作和确保在该土壤中生产的食品安全至关重要。例如,如果土壤样本显示铅含量升高,可以采取适当措施来减轻人类和动物的暴露风险。 收集土壤样本的过程涉及几个步骤,以确保准确性和可靠性。首先,选择合适的地点和深度进行取样至关重要。不同区域可能具有不同的土壤特性,因此选择具有代表性的地点至关重要。接下来,使用土壤钻孔器或铲子等工具提取土壤样本。在此过程中必须小心避免污染。一旦收集完毕,土壤样本应放入干净的容器中并正确标记,以跟踪其来源。 收集的土壤样本将送往实验室进行分析。在这里,进行各种测试以评估土壤的物理和化学特性。常见的测试包括测量pH值、有机质含量以及磷、钾和氮等必需养分的水平。这些测试结果提供了宝贵的信息,可以指导土地管理决策和农业实践。 总之,收集和分析土壤样本在理解土壤健康和质量方面发挥着至关重要的作用。无论是出于农业目的还是环境评估,土壤样本提供了关键数据,帮助决策和促进可持续实践。随着我们继续面临与粮食安全和环境退化相关的挑战,土壤样本的重要性只会增加。通过投入时间和资源来理解我们的土壤,通过土壤样本,我们可以更好地保护和管理这一宝贵资源,以惠及未来几代人。
相关单词