alkali soil

简明释义

1. 碱土; 2. 碱性土;

英英释义

例句

1.Research shows that certain grasses can tolerate alkali soil better than others.

研究表明，某些草类比其他草类更能耐受碱性土壤。

2.The irrigation practices can significantly affect the salinity of alkali soil.

灌溉方式会显著影响碱性土壤的盐分。

3.To improve crop yield, farmers may need to amend alkali soil with organic matter.

为了提高作物产量，农民可能需要用有机物改良碱性土壤。

4.The presence of alkali soil can limit the types of plants that can thrive in an area.

碱性土壤的存在可能限制了某个地区可以茁壮成长的植物种类。

5.Farmers often struggle to grow crops in alkali soil due to its high pH levels.

农民们常常在碱性土壤中苦苦挣扎，因为它的pH值很高。

作文

Alkali soil, also known as alkaline soil, is a type of soil that has a high pH level, typically above 7.5. This means that it contains a significant amount of soluble salts, which can affect the growth of plants. The presence of sodium carbonate and sodium bicarbonate is often responsible for the alkaline nature of this soil. In many regions around the world, especially in arid and semi-arid climates, alkali soil (碱性土壤) poses a challenge for agriculture. Farmers need to understand the characteristics of alkali soil (碱性土壤) to manage their crops effectively.The composition of alkali soil (碱性土壤) can vary significantly from one region to another. It usually contains high levels of sodium, calcium, magnesium, and potassium. These elements can lead to poor soil structure, making it difficult for roots to penetrate and access water and nutrients. Furthermore, the high salt content can lead to osmotic stress on plants, which can inhibit their growth and productivity.To combat the issues presented by alkali soil (碱性土壤), farmers often employ various strategies. One common method is the application of gypsum, which helps to displace sodium ions and improve soil structure. By improving the soil's physical properties, farmers can enhance water infiltration and root penetration. Additionally, the use of organic matter, such as compost or manure, can help to improve the fertility of alkali soil (碱性土壤) and promote healthier plant growth.Another important aspect of managing alkali soil (碱性土壤) is the selection of appropriate crop varieties. Some plants are more tolerant of alkaline conditions than others. For example, crops like barley, alfalfa, and certain types of grasses can thrive in alkali soil (碱性土壤). By choosing these resilient varieties, farmers can maximize their yields even in challenging conditions.In addition to agricultural practices, understanding the environmental factors that contribute to alkali soil (碱性土壤) formation is crucial. Factors such as climate, topography, and parent material all play a role in determining the soil's characteristics. For instance, areas with low rainfall tend to accumulate salts over time, leading to the development of alkali soil (碱性土壤). Therefore, proper land management and conservation practices are essential to prevent further degradation of these soils.In conclusion, alkali soil (碱性土壤) presents both challenges and opportunities for agriculture. By understanding its properties and employing effective management strategies, farmers can mitigate the negative impacts of this soil type. Through the use of amendments, careful crop selection, and sustainable land practices, it is possible to transform alkali soil (碱性土壤) into productive farmland. As we face the challenges of food security and climate change, addressing the issues associated with alkali soil (碱性土壤) will be increasingly important for ensuring sustainable agricultural practices.

碱性土壤，也称为碱性土壤，是一种pH值较高的土壤类型，通常在7.5以上。这意味着它含有大量可溶性盐分，这会影响植物的生长。碳酸钠和碳酸氢钠的存在通常是这种土壤呈碱性特性的原因。在世界许多地区，尤其是干旱和半干旱气候中，碱性土壤（alkali soil）对农业构成了挑战。农民需要了解碱性土壤（alkali soil）的特性，以有效管理他们的作物。碱性土壤（alkali soil）的组成因地区而异。它通常含有高水平的钠、钙、镁和钾。这些元素可能导致土壤结构不良，使根系难以穿透并获取水分和养分。此外，高盐含量可能导致植物的渗透胁迫，从而抑制其生长和生产力。为了应对碱性土壤（alkali soil）带来的问题，农民通常采用各种策略。一种常见的方法是施用石膏，有助于置换钠离子并改善土壤结构。通过改善土壤的物理特性，农民可以增强水分渗透和根系穿透能力。此外，使用有机物质，如堆肥或肥料，可以帮助提高碱性土壤（alkali soil）的肥力，促进更健康的植物生长。管理碱性土壤（alkali soil）的另一个重要方面是选择适当的作物品种。有些植物对碱性条件的耐受性比其他植物强。例如，大麦、苜蓿和某些类型的草可以在碱性土壤（alkali soil）中茁壮成长。通过选择这些耐逆境的品种，农民可以在困难条件下最大化产量。除了农业实践，了解导致碱性土壤（alkali soil）形成的环境因素也至关重要。气候、地形和母质等因素都在决定土壤特性方面发挥作用。例如，降雨量少的地区往往会随时间积累盐分，从而导致碱性土壤（alkali soil）的形成。因此，适当的土地管理和保护措施对于防止这些土壤进一步退化至关重要。总之，碱性土壤（alkali soil）对农业既带来了挑战，也提供了机遇。通过理解其特性并采用有效的管理策略，农民可以减轻这种土壤类型的负面影响。通过使用改良剂、精心选择作物和可持续的土地实践，有可能将碱性土壤（alkali soil）转变为富饶的农田。随着我们面临粮食安全和气候变化的挑战，解决与碱性土壤（alkali soil）相关的问题将对确保可持续农业实践变得越来越重要。