active humus

简明释义

活性腐殖质;

英英释义

Active humus refers to the fraction of organic matter in soil that is actively involved in biological processes, contributing to nutrient cycling and soil fertility.

活性腐殖质是指土壤中积极参与生物过程的有机物部分,促进养分循环和土壤肥力。

例句

1.Farmers often test their soil for active humus levels to ensure optimal crop yields.

农民通常测试他们的土壤中活性腐殖质的含量,以确保最佳的作物产量。

2.Healthy ecosystems rely on the presence of active humus to support diverse microbial life.

健康的生态系统依赖于活性腐殖质的存在,以支持多样的微生物生命。

3.The farmer noticed that fields with higher active humus content retained moisture better during droughts.

农民注意到,含有较高活性腐殖质的田地在干旱期间更好地保持水分。

4.The garden soil was rich in active humus, which contributed to the vibrant plant growth.

花园土壤富含活性腐殖质,这促进了植物的茂盛生长。

5.Adding active humus to your compost can enhance its nutrient profile significantly.

在堆肥中添加活性腐殖质可以显著增强其营养成分。

作文

Soil is one of the most fundamental components of our ecosystem, playing a crucial role in supporting plant life and maintaining environmental balance. Among the various components of soil, active humus (活性腐殖质) stands out as a vital element that significantly influences soil fertility and health. In this essay, I will explore the importance of active humus (活性腐殖质), its formation, and its role in sustainable agriculture.Active humus is formed through the decomposition of organic matter, such as dead plants, animals, and microorganisms. This process is facilitated by various soil organisms, including bacteria, fungi, and earthworms. As these organisms break down organic material, they produce a complex mixture of substances that contribute to the formation of active humus (活性腐殖质). This process not only enriches the soil but also enhances its structure, making it more conducive to plant growth.One of the primary benefits of active humus (活性腐殖质) is its ability to improve soil fertility. It acts as a reservoir for essential nutrients, such as nitrogen, phosphorus, and potassium, which are critical for plant development. The presence of active humus (活性腐殖质) in the soil ensures that these nutrients are available to plants over an extended period, thereby reducing the need for chemical fertilizers. This is particularly important in sustainable agriculture, where the goal is to minimize environmental impact while maximizing crop yield.Moreover, active humus (活性腐殖质) enhances the soil's water retention capacity. Soils rich in active humus can hold moisture more effectively, reducing the need for frequent irrigation. This is especially beneficial in arid regions where water scarcity is a significant concern. By improving water retention, active humus (活性腐殖质) helps create a more resilient agricultural system that can withstand periods of drought.Another critical aspect of active humus (活性腐殖质) is its role in promoting biodiversity within the soil ecosystem. Healthy soils with a high concentration of active humus support a diverse range of microorganisms and invertebrates, which contribute to nutrient cycling and soil health. This biodiversity is essential for maintaining a balanced ecosystem, as it helps prevent the dominance of harmful pathogens and pests.In addition to its ecological benefits, active humus (活性腐殖质) also plays a significant role in carbon sequestration. The decomposition of organic matter and the formation of humus result in the storage of carbon in the soil. This process is crucial in mitigating climate change, as it helps reduce the amount of carbon dioxide in the atmosphere. By promoting practices that enhance the formation of active humus (活性腐殖质), farmers can contribute to global efforts to combat climate change while improving soil health.In conclusion, active humus (活性腐殖质) is an essential component of healthy soil that offers numerous benefits for agriculture and the environment. Its role in enhancing soil fertility, improving water retention, promoting biodiversity, and sequestering carbon makes it a key player in sustainable farming practices. As we continue to face challenges related to food security and climate change, understanding and promoting the importance of active humus (活性腐殖质) will be crucial for developing resilient agricultural systems that can thrive in the face of adversity.

相关单词

humus

humus详解:怎么读、什么意思、用法