root nodule bacterium

简明释义

根瘤菌

英英释义

例句

1.Scientists are studying how root nodule bacterium (根瘤细菌) can be used in bioremediation efforts.

科学家正在研究如何利用根瘤细菌进行生物修复工作。

2.Research has shown that different species of root nodule bacterium (根瘤细菌) have varying effects on crop yields.

研究表明，不同种类的根瘤细菌对作物产量有不同的影响。

3.Farmers often inoculate their legumes with root nodule bacterium (根瘤细菌) to improve nitrogen fixation.

农民通常会用根瘤细菌给豆科植物接种，以改善氮的固化。

4.The symbiotic relationship between plants and root nodule bacterium (根瘤细菌) is crucial for sustainable agriculture.

植物与根瘤细菌之间的共生关系对于可持续农业至关重要。

5.The presence of root nodule bacterium (根瘤细菌) in the soil can significantly enhance plant growth.

土壤中存在的根瘤细菌可以显著促进植物生长。

作文

In the world of agriculture and plant biology, the term root nodule bacterium refers to a group of bacteria that play a crucial role in the nitrogen-fixing process. These bacteria, primarily belonging to the genus Rhizobium, establish a symbiotic relationship with the roots of leguminous plants such as peas, beans, and clover. The significance of this relationship cannot be overstated, as it not only enhances soil fertility but also contributes to sustainable agricultural practices. The process begins when the root nodule bacterium enters the root hairs of the host plant. The bacteria induce the formation of nodules, which are specialized structures that provide a protective environment for the bacteria to thrive. Inside these nodules, the bacteria convert atmospheric nitrogen into ammonia, a form of nitrogen that plants can readily absorb and utilize for growth. This transformation is essential because nitrogen is a critical nutrient for plants, yet it is often limited in the soil. The presence of root nodule bacteria allows plants to access this vital nutrient without the need for synthetic fertilizers, which can have detrimental effects on the environment. By promoting natural nitrogen fixation, these bacteria help reduce the reliance on chemical inputs, leading to healthier ecosystems and more sustainable farming practices. Moreover, the interaction between root nodule bacteria and their host plants is a fascinating example of mutualism in nature. While the bacteria gain carbohydrates and a safe habitat from the plant, the plant benefits from the enhanced nitrogen supply. This relationship exemplifies how organisms can work together for mutual benefit, highlighting the interconnectedness of life forms in an ecosystem. Research has shown that different species of root nodule bacteria exhibit varying efficiencies in nitrogen fixation. Some strains are better suited to specific legume species, making it essential for farmers to select the right bacterial inoculants when planting legumes. This tailored approach can significantly improve crop yields and soil health. In addition to their agricultural benefits, root nodule bacteria also play a role in ecological sustainability. By improving soil structure and fertility, they contribute to the resilience of ecosystems against climate change and other environmental stressors. Healthy soils, enriched by the activities of these bacteria, can better retain moisture and nutrients, supporting diverse plant and animal life. In conclusion, the root nodule bacterium is a vital player in the realm of agriculture and ecology. Their ability to fix nitrogen not only supports the growth of leguminous plants but also promotes sustainable farming practices that benefit both farmers and the environment. Understanding and harnessing the power of these microorganisms can lead to more resilient agricultural systems and healthier ecosystems for future generations. As we continue to explore the complexities of plant-microbe interactions, the importance of root nodule bacteria will undoubtedly remain at the forefront of agricultural research and innovation.

在农业和植物生物学的世界中，术语根瘤细菌指的是一类在固氮过程中发挥关键作用的细菌。这些细菌主要属于根瘤菌属（Rhizobium），与豆科植物如豌豆、豆子和三叶草的根部建立共生关系。这种关系的重要性不容小觑，因为它不仅增强了土壤肥力，还促进了可持续农业实践。 这一过程开始于根瘤细菌进入宿主植物的根毛。细菌诱导形成肿瘤，这是提供细菌生存保护环境的特殊结构。在这些肿瘤内部，细菌将大气中的氮转化为氨，这是一种植物可以快速吸收和利用的氮形式。这一转化至关重要，因为氮是植物生长的关键营养素，但土壤中常常缺乏。 根瘤细菌的存在使植物能够在不需要合成肥料的情况下获取这一重要养分，而合成肥料对环境可能产生有害影响。通过促进自然固氮，这些细菌帮助减少对化学投入的依赖，从而导致更健康的生态系统和更可持续的农业实践。 此外，根瘤细菌与宿主植物之间的相互作用是自然界中互惠共生的一个迷人例子。尽管细菌从植物中获得碳水化合物和安全栖息地，但植物则从增强的氮供应中受益。这种关系体现了生物如何为共同利益而协作，突显了生态系统中生命形式的相互联系。 研究表明，不同种类的根瘤细菌在固氮效率上表现出不同的特性。有些菌株更适合特定的豆类植物，因此农民在种植豆类时选择合适的细菌接种剂至关重要。这种量身定制的方法可以显著提高作物产量和土壤健康。 除了农业益处外，根瘤细菌在生态可持续性方面也发挥着作用。通过改善土壤结构和肥力，它们有助于生态系统抵御气候变化和其他环境压力。通过细菌的活动丰富的健康土壤，可以更好地保持水分和养分，支持多样的植物和动物生命。 总之，根瘤细菌是农业和生态领域的重要参与者。它们固氮的能力不仅支持豆科植物的生长，而且促进了有利于农民和环境的可持续农业实践。理解和利用这些微生物的力量可以导致更具韧性的农业系统和为未来几代人提供更健康的生态系统。随着我们继续探索植物-微生物相互作用的复杂性，根瘤细菌的重要性无疑将在农业研究和创新的前沿保持不变。