acid humus

简明释义

酸性腐殖质;

英英释义

例句

1.Adding acid humus to the garden can improve soil structure and moisture retention.

向花园中添加酸性腐殖质可以改善土壤结构和水分保持能力。

2.Composting kitchen scraps can create acid humus that enriches the soil.

堆肥厨房剩余物可以产生酸性腐殖质，丰富土壤。

3.Farmers often test soil pH to determine the level of acid humus present.

农民经常测试土壤pH值以确定存在的酸性腐殖质水平。

4.The presence of acid humus indicates a healthy ecosystem in the forest.

存在酸性腐殖质表明森林生态系统健康。

5.The forest floor is rich in acid humus, which provides essential nutrients for the plants.

森林地面富含酸性腐殖质，为植物提供必需的营养。

作文

In the study of soil science, understanding the composition and characteristics of different soil types is crucial for agriculture and environmental management. One important component that often arises in these discussions is acid humus. This term refers to a type of organic matter found in soil that is rich in acids, which can significantly affect soil fertility and plant growth. 酸腐殖质是指土壤中一种富含酸的有机物质，通常由植物残体和微生物分解而成。 It plays a vital role in determining the pH level of the soil, which in turn influences nutrient availability for plants.Acid humus is primarily formed in environments where the decomposition of organic matter occurs under acidic conditions. This is often seen in forested areas, particularly those with coniferous trees, where the litter from fallen leaves and needles contributes to the formation of acid humus. The acidic nature of this organic matter can lead to a lower pH in the surrounding soil, creating an environment that may be less hospitable for certain plant species while favoring others that thrive in acidic conditions. 酸腐殖质的形成通常发生在有机物在酸性环境中分解的情况下，这种情况常见于森林地区，特别是针叶树覆盖的区域。The presence of acid humus in soil has both positive and negative implications. On one hand, it can enhance nutrient retention and improve soil structure, providing a favorable habitat for beneficial microorganisms. These microorganisms play a crucial role in breaking down organic matter further, releasing nutrients that are essential for plant growth. Additionally, 酸腐殖质 can help retain moisture in the soil, making it more resilient during dry periods.On the other hand, excessive acidity can lead to nutrient deficiencies, particularly in essential elements like calcium and magnesium. This can pose challenges for farmers and gardeners who wish to cultivate a diverse range of crops. Understanding the balance between acid humus and other soil components is essential for managing soil health effectively. Farmers may need to amend their soils with lime or other alkaline materials to counteract the effects of high acidity caused by 酸腐殖质.Furthermore, the impact of acid humus extends beyond agricultural practices. In natural ecosystems, it plays a significant role in carbon cycling and storage. As organic matter decomposes, it contributes to the overall organic carbon content of the soil, which is vital for mitigating climate change. By sequestering carbon, 酸腐殖质 helps reduce the amount of CO2 in the atmosphere, highlighting the importance of maintaining healthy soil ecosystems.In conclusion, acid humus is a critical component of soil that influences various ecological and agricultural processes. Its ability to affect soil pH, nutrient availability, and moisture retention makes it a topic of great interest for scientists and land managers alike. By understanding the properties and implications of 酸腐殖质, we can better manage our soils to support sustainable agriculture and promote environmental health.