nitrogen fixing bacteria

简明释义

固氮细菌

英英释义

例句

1.In agriculture, farmers often rely on nitrogen fixing bacteria 固氮细菌 to enhance soil fertility.

在农业中，农民常常依靠固氮细菌来提高土壤肥力。

2.Research shows that nitrogen fixing bacteria 固氮细菌 can significantly reduce the need for chemical fertilizers.

研究表明，固氮细菌可以显著减少对化肥的需求。

3.Crop rotation with legumes helps maintain a healthy population of nitrogen fixing bacteria 固氮细菌 in the soil.

与豆类作物的轮作有助于保持土壤中健康的固氮细菌种群。

4.Certain legumes form symbiotic relationships with nitrogen fixing bacteria 固氮细菌 to improve nitrogen levels in the soil.

某些豆科植物与固氮细菌形成共生关系，以提高土壤中的氮含量。

5.The presence of nitrogen fixing bacteria 固氮细菌 in the soil is crucial for sustainable farming practices.

土壤中存在固氮细菌对于可持续农业实践至关重要。

作文

Nitrogen is an essential element for all living organisms, as it is a key component of amino acids, proteins, and nucleic acids. However, the nitrogen in the atmosphere is not directly usable by most organisms. This is where nitrogen fixing bacteria (氮固定细菌) come into play. These microorganisms have the unique ability to convert atmospheric nitrogen (N2) into ammonia (NH3), a form that plants can utilize for growth. The process of nitrogen fixation is crucial for maintaining the nitrogen cycle, which is vital for ecosystem health and agricultural productivity.There are various types of nitrogen fixing bacteria (氮固定细菌), including free-living bacteria and symbiotic bacteria. Free-living bacteria, such as Azotobacter and Clostridium, thrive in soil and water, where they fix nitrogen independently. On the other hand, symbiotic bacteria, like Rhizobium, form partnerships with specific plants, particularly legumes. In this symbiotic relationship, the bacteria inhabit root nodules of the plants, providing them with ammonia in exchange for carbohydrates and a protective environment.The significance of nitrogen fixing bacteria (氮固定细菌) cannot be overstated. They contribute to soil fertility and reduce the need for chemical fertilizers in agriculture. By promoting natural nitrogen fixation, farmers can enhance crop yields while minimizing environmental impacts. Moreover, these bacteria play a crucial role in sustainable farming practices, helping to maintain soil health and biodiversity.Research has shown that incorporating legumes into crop rotation systems can significantly increase the population of nitrogen fixing bacteria (氮固定细菌) in the soil. This practice not only enriches the soil with nitrogen but also improves its structure and moisture retention. As a result, farmers are encouraged to adopt such practices to promote sustainable agriculture and combat soil degradation.In addition to their agricultural benefits, nitrogen fixing bacteria (氮固定细菌) also have implications for environmental science. They help mitigate climate change by reducing the reliance on synthetic fertilizers, which often release greenhouse gases during production and application. Furthermore, these bacteria contribute to the overall health of ecosystems by supporting plant diversity and resilience.In conclusion, nitrogen fixing bacteria (氮固定细菌) are indispensable allies in both agriculture and environmental conservation. Their ability to convert atmospheric nitrogen into a usable form for plants plays a critical role in enhancing soil fertility and promoting sustainable farming practices. As we continue to face challenges such as food security and climate change, understanding and harnessing the power of nitrogen fixing bacteria (氮固定细菌) will be essential for creating a more sustainable future.

氮是所有生物所需的基本元素，因为它是氨基酸、蛋白质和核酸的关键组成部分。然而，空气中的氮并不是大多数生物可以直接利用的。这就是氮固定细菌(氮固定细菌)发挥作用的地方。这些微生物具有将大气氮(N2)转化为氨(NH3)的独特能力，氨是植物可以利用的生长形式。氮固定过程对维持氮循环至关重要，这对于生态系统健康和农业生产力至关重要。有多种类型的氮固定细菌(氮固定细菌)，包括自由生活细菌和共生细菌。自由生活细菌，如根瘤菌和梭状芽孢杆菌，生活在土壤和水中，它们独立地固定氮。另一方面，共生细菌，如根瘤菌，与特定植物，特别是豆类植物，形成伙伴关系。在这种共生关系中，细菌栖息在植物的根瘤中，为其提供氨，以换取碳水化合物和保护环境。氮固定细菌(氮固定细菌)的重要性不容小觑。它们有助于土壤肥力，减少农业对化肥的需求。通过促进自然氮固定，农民可以提高作物产量，同时最小化环境影响。此外，这些细菌在可持续农业实践中发挥着至关重要的作用，有助于维持土壤健康和生物多样性。研究表明，将豆类纳入作物轮作系统可以显著增加土壤中氮固定细菌(氮固定细菌)的数量。这种做法不仅使土壤富含氮，而且改善了土壤结构和保水能力。因此，鼓励农民采用这样的做法，以促进可持续农业，抵御土壤退化。除了农业益处外，氮固定细菌(氮固定细菌)还对环境科学产生影响。它们通过减少对合成肥料的依赖来帮助减缓气候变化，因为合成肥料在生产和施用过程中往往会释放温室气体。此外，这些细菌通过支持植物多样性和韧性，有助于生态系统的整体健康。总之，氮固定细菌(氮固定细菌)是农业和环境保护中不可或缺的盟友。它们将大气中的氮转化为植物可用形式的能力在增强土壤肥力和促进可持续农业实践中发挥着关键作用。随着我们继续面临食品安全和气候变化等挑战，理解和利用氮固定细菌(氮固定细菌)的力量将对创造更可持续的未来至关重要。