high-yield varieties

简明释义

高产品种

英英释义

例句

1.Educational programs are teaching farmers about the benefits of high-yield varieties.

教育项目正在向农民讲授高产品种的好处。

2.Farmers are increasingly adopting high-yield varieties to boost their crop production.

农民们越来越多地采用高产品种来提高他们的作物产量。

3.Using high-yield varieties can significantly reduce the time needed for harvesting.

使用高产品种可以显著减少收割所需的时间。

4.Research institutions are developing new high-yield varieties that can withstand climate change.

研究机构正在开发新的高产品种，以抵御气候变化。

5.The government provides subsidies for farmers who grow high-yield varieties of rice.

政府为种植高产稻米品种的农民提供补贴。

作文

In recent decades, the world has faced significant challenges in food production due to a rapidly growing population and changing climate conditions. One of the most effective solutions to address these challenges has been the development of high-yield varieties, which are genetically improved crops designed to produce more food per acre compared to traditional strains. These varieties have become essential in ensuring food security, especially in developing countries where agricultural productivity is crucial for economic stability and growth.The introduction of high-yield varieties has revolutionized agriculture by enabling farmers to harvest larger quantities of crops without needing to expand their land. This is particularly important in regions where arable land is limited or where urbanization is encroaching on agricultural spaces. By maximizing the output from existing farmland, high-yield varieties help to alleviate pressure on land resources while also reducing the need for deforestation and habitat destruction.Moreover, high-yield varieties often come with improved resistance to pests and diseases. Traditional crops can be vulnerable to various threats, leading to significant losses for farmers. However, many modern varieties have been bred to withstand these challenges, which not only helps ensure consistent yields but also reduces the reliance on chemical pesticides. This is beneficial for both the environment and the health of farmworkers.Another advantage of high-yield varieties is their potential to improve the nutritional quality of food. Some varieties are specifically developed to enhance their vitamin and mineral content, addressing malnutrition issues in many parts of the world. For example, biofortified crops like golden rice contain higher levels of vitamin A, which can significantly impact public health in regions where deficiencies are common.Despite the numerous benefits, the adoption of high-yield varieties has not been without controversy. Critics argue that reliance on a limited number of crop varieties can lead to reduced biodiversity, making the agricultural system more vulnerable to diseases and climate change. It is essential to balance the use of high-yield varieties with the preservation of traditional crops and local agricultural practices to maintain a resilient food system.Furthermore, access to high-yield varieties is often limited by socioeconomic factors. Smallholder farmers may struggle to afford the seeds or the necessary inputs such as fertilizers and irrigation systems needed to maximize the potential of these crops. Therefore, it is crucial for governments and organizations to provide support and resources to ensure that all farmers can benefit from these advancements in agricultural technology.In conclusion, high-yield varieties represent a significant advancement in agricultural science that has the potential to transform food production around the globe. While they offer numerous benefits, including increased productivity, pest resistance, and improved nutrition, it is vital to approach their implementation thoughtfully. By promoting sustainable practices and supporting smallholder farmers, we can harness the power of high-yield varieties to create a more secure and equitable food system for all.

近年来，世界面临着由于人口快速增长和气候变化而导致的食品生产重大挑战。解决这些挑战的有效方案之一是开发高产品种，即经过基因改良的作物，旨在每英亩产生比传统品种更多的食物。这些品种在确保食品安全方面变得至关重要，尤其是在农业生产力对经济稳定和增长至关重要的发展中国家。高产品种的引入通过使农民在不需要扩大土地面积的情况下收获更多的作物，彻底改变了农业。这在耕地有限或城市化侵占农业空间的地区尤为重要。通过最大化现有农田的产出，高产品种有助于减轻对土地资源的压力，同时减少对森林砍伐和栖息地破坏的需求。此外，高产品种通常具有更强的抗虫害和抗病能力。传统作物可能容易受到各种威胁，导致农民遭受重大损失。然而，许多现代品种已被培育以抵御这些挑战，这不仅有助于确保稳定的产量，还减少了对化学农药的依赖。这对环境和农民的健康都是有益的。高产品种的另一个优势是提升食品的营养质量。一些品种专门开发以增强其维生素和矿物质含量，解决世界许多地方的营养不良问题。例如，强化生物的水稻（如金色大米）含有更高水平的维生素A，这可以显著改善缺乏症普遍存在地区的公共健康。尽管有众多好处，但对高产品种的采用并非没有争议。批评者认为，依赖少数几种作物品种可能导致生物多样性减少，使农业系统对疾病和气候变化更为脆弱。因此，平衡使用高产品种与保护传统作物和当地农业实践对于维护一个有韧性的食品系统至关重要。此外，高产品种的获取往往受到社会经济因素的限制。小农户可能难以负担种子或必要的投入，如肥料和灌溉系统，以最大限度地发挥这些作物的潜力。因此，各国政府和组织提供支持和资源，确保所有农民都能从农业技术的这些进步中受益至关重要。总之，高产品种代表了农业科学的一项重大进展，具有改变全球食品生产的潜力。虽然它们提供了许多好处，包括提高生产力、抗虫害和改善营养，但必须谨慎看待其实施。通过促进可持续实践和支持小农户，我们可以利用高产品种的力量，为所有人创造一个更加安全和公平的食品系统。