switchgrass

简明释义

英[ˈswɪtʃɡræːs]美[ˈswɪtʃɡræs]

n. 柳枝稷

英英释义

单词用法

同义词

反义词

例句

1.Switchgrass is a perennial native grass that grows quickly.

柳枝稷是一种生长快速的多年生本地草种。

2.The dynamic relationship between the biomass of switchgrass and the soil water content in arid and semiarid area was investigated in this paper.

通过在黄土高原半干旱地区种植柳枝稷，构建生物量与土壤水分的动力学关系模型。

3.Those problems might or might not be solved by more advanced biofuels, such as those made from the non-food or cellulosic parts of crop plants or even non-food crops such as switchgrass or algae.

是否能依靠更加先进的生物燃料(比如利用非食物农作物或者利用农作物的纤维素部分、甚至利用柳枝稷或者海藻这些非食物作物来制造生物燃料)来解决上述这些问题还是个未知数。

4.A small SUV powered by bioelectricity could travel nearly 14, 000 miles on the energy produced by an acre of switchgrass, while an ethanol-powered SUV could go only 9, 000 miles.

一辆小的生物电能的越野车能行走14,000英里，在用每英亩的柳枝稷供能下，而一辆酒精供能的越野车只能行走9,000英里。

5.A small SUV powered by bioelectricity could travel nearly 14,000 miles on the energy produced by an acre of switchgrass, while an ethanol-powered SUV could go only 9,000 miles.

一辆小的生物电能的越野车能行走14,000英里，在用每英亩的柳枝稷供能下，而一辆酒精供能的越野车只能行走9,000英里。

6.Those problems might or might not be solved by more advanced biofuels, such as those made from the non-food or cellulosic parts of crop plants or even non-food crops such as switchgrass or algae.

是否能依靠更加先进的生物燃料(比如利用非食物农作物或者利用农作物的纤维素部分、甚至利用柳枝稷或者海藻这些非食物作物来制造生物燃料)来解决上述这些问题还是个未知数。

7.Switchgrass and miscanthus are temperate.

柳枝稷和芒草适宜温和气候。

8.Finally, they say that future ethanol supplies will be derived from materials like switchgrass or wood chips that are resistant to bad weather.

最后他们说，未来的乙醇供应将源自于那些不受坏天气影响的原材料，比如柳穗或者木屑。

9.Odum said Shell is focusing on biofuels from non-food sources like algae or switchgrass.

奥德姆称，壳牌公司正在使用海藻、柳枝稷等非粮食作物研发新的生物燃料。

10.Many conservationists recommend switchgrass for restoring native grasslands.

许多保护主义者推荐使用开关草来恢复本土草原。

11.Farmers are increasingly planting switchgrass to improve soil health.

农民们越来越多地种植开关草以改善土壤健康。

12.The biofuel industry is exploring the potential of switchgrass as a renewable energy source.

生物燃料行业正在探索开关草作为可再生能源的潜力。

13.Research shows that switchgrass can sequester carbon effectively.

研究表明，开关草能够有效地固碳。

14.The tall, sturdy stems of switchgrass provide excellent habitat for wildlife.

高大坚韧的开关草茎为野生动物提供了极好的栖息地。

作文

Switchgrass, scientifically known as Panicum virgatum, is a perennial grass native to North America. This remarkable plant has gained significant attention in recent years, particularly in the fields of renewable energy and sustainable agriculture. The versatility of switchgrass (开关草) makes it an ideal candidate for biofuel production, erosion control, and habitat restoration. In this essay, I will explore the many benefits of switchgrass (开关草) and its potential to contribute to a more sustainable future.One of the primary advantages of switchgrass (开关草) is its high biomass yield. Studies have shown that switchgrass (开关草) can produce significantly more biomass per acre than traditional crops such as corn or soybeans. This is particularly important as the world seeks alternative sources of energy to reduce reliance on fossil fuels. By converting the biomass from switchgrass (开关草) into biofuels, we can create a renewable energy source that can help mitigate climate change and reduce greenhouse gas emissions.Moreover, switchgrass (开关草) is well-adapted to a variety of soil types and climatic conditions, making it a robust option for farmers. It requires minimal inputs, such as fertilizers and pesticides, which not only lowers production costs but also reduces the environmental impact associated with conventional farming practices. This resilience allows switchgrass (开关草) to thrive in marginal lands, where other crops may fail, thus promoting land use efficiency.Another significant benefit of switchgrass (开关草) is its ability to improve soil health. The deep root system of switchgrass (开关草) helps to prevent soil erosion and enhances water retention. This is particularly crucial in areas prone to drought or heavy rainfall, as healthy soil can better absorb and retain moisture. Additionally, the organic matter returned to the soil as switchgrass (开关草) decomposes contributes to soil fertility, creating a sustainable cycle that benefits future crops.In terms of ecological benefits, switchgrass (开关草) provides valuable habitat for wildlife. Its tall, dense growth offers shelter and food for various species, including birds and small mammals. By incorporating switchgrass (开关草) into agricultural landscapes, farmers can promote biodiversity and support local ecosystems.Furthermore, switchgrass (开关草) has been recognized for its role in carbon sequestration. As a perennial plant, it captures carbon dioxide from the atmosphere and stores it in its roots and surrounding soil. This process is essential for combating climate change, as it helps to offset carbon emissions produced by human activities.Despite its numerous advantages, the cultivation of switchgrass (开关草) is not without challenges. Farmers may face obstacles in establishing and managing switchgrass (开关草) due to its specific growth requirements. Additionally, market infrastructure for biofuels derived from switchgrass (开关草) is still developing, which can hinder economic viability. However, with continued research and investment in this area, these challenges can be addressed.In conclusion, switchgrass (开关草) is a remarkable plant with the potential to play a pivotal role in creating a sustainable future. Its high biomass yield, adaptability, and ecological benefits make it an excellent candidate for biofuel production and land restoration. By embracing switchgrass (开关草) in agricultural practices, we can work towards a more sustainable and environmentally friendly approach to energy and land use. As we face the pressing challenges of climate change and resource depletion, the importance of switchgrass (开关草) cannot be overstated.

开关草，学名为Panicum virgatum，是一种原产于北美的多年生草本植物。这种卓越的植物近年来引起了广泛关注，特别是在可再生能源和可持续农业领域。开关草的多功能性使其成为生物燃料生产、土壤侵蚀控制和栖息地恢复的理想候选者。在这篇文章中，我将探讨开关草的许多好处及其对更可持续未来的潜在贡献。开关草的主要优点之一是其高生物量产量。研究表明，开关草每英亩可以产生显著高于传统作物（如玉米或大豆）的生物量。这一点特别重要，因为世界正在寻找替代能源，以减少对化石燃料的依赖。通过将开关草的生物质转化为生物燃料，我们可以创造出一种可再生能源，有助于减缓气候变化并减少温室气体排放。此外，开关草适应多种土壤类型和气候条件，使其成为农民的坚固选择。它需要最少的投入，如肥料和农药，这不仅降低了生产成本，还减少了与传统农业实践相关的环境影响。这种韧性使得开关草能够在边际土地上茁壮成长，而其他作物可能失败，从而促进土地利用效率。开关草的另一个重要好处是其改善土壤健康的能力。开关草深根系有助于防止土壤侵蚀并增强水分保持能力。这在干旱或降雨量大的地区尤为重要，因为健康的土壤可以更好地吸收和保持水分。此外，随着开关草的分解返回土壤的有机物质有助于土壤肥力，形成一个可持续的循环，造福未来的作物。在生态方面，开关草为野生动物提供了宝贵的栖息地。其高大、密集的生长为各种物种提供了庇护和食物，包括鸟类和小型哺乳动物。通过将开关草融入农业景观，农民可以促进生物多样性，并支持当地生态系统。此外，开关草在碳封存方面也受到认可。作为一种多年生植物，它从大气中捕获二氧化碳并将其储存在根系和周围土壤中。这个过程对于应对气候变化至关重要，因为它有助于抵消人类活动产生的碳排放。尽管有众多优点，种植开关草仍然面临挑战。农民在建立和管理开关草时可能会遇到特定的生长要求。此外，源自开关草的生物燃料市场基础设施仍在发展中，这可能阻碍经济可行性。然而，通过持续的研究和投资，这些挑战可以得到解决。总之，开关草是一种卓越的植物，有潜力在创建可持续未来中发挥关键作用。其高生物量产量、适应性和生态效益使其成为生物燃料生产和土地恢复的优秀候选者。通过在农业实践中拥抱开关草，我们可以朝着更可持续和环保的能源和土地利用方式迈进。面对气候变化和资源枯竭的紧迫挑战，开关草的重要性不容低估。