sodic

简明释义

英[ˈsəʊdɪk]美[ˈsodɪk]

adj. 钠的；含钠的

英英释义

单词用法

同义词

反义词

例句

1.Using the two assured modifying agent can hold back the sodic soil reduce alkalescence of soil increase physicochemical property of soil thereby it can achieve increasing production on rice.

施用经筛选确定的两种改良剂，可有效遏制土壤继续向苏打化发展，降低土壤碱性，改善土壤理化性质，提高土壤肥力，进而可实现水稻增产的目的。

2.Using the two assured modifying agent can hold back the sodic soil reduce alkalescence of soil increase physicochemical property of soil thereby it can achieve increasing production on rice.

施用经筛选确定的两种改良剂，可有效遏制土壤继续向苏打化发展，降低土壤碱性，改善土壤理化性质，提高土壤肥力，进而可实现水稻增产的目的。

3.With pot-culture experiments, we evaluated the effect of saline-sodic stress on dry matter accumulation of various organs at different growth stages of rice.

选用吉林省西部典型苏打盐碱土，利用盆栽试验的方法探讨苏打盐碱胁迫对水稻不同生育时期各器官干物质积累的影响。

4.Studying continuous effect in improvement of heavy sodic soil with desulphurization by-product is important to obtain theories of completely improvement.

研究脱硫副产物改良强碱化土壤的持续效果对如何使得强碱化土壤得到彻底改良具有重要意义。

5.The combined states of soil humic substances were studied after undecomposed organic materials were applied into sodic meadow paddy soil.

几种非腐解有机物料施于苏打草甸水稻土后，对土壤中不同结合形态的腐殖质的动态变化进行了研究。

6.Saline meadow soil distributed in the micro basin, and sodic alkaline soil in micro slope or micro flat.

盐化草甸土分布在相对低洼的部位，苏打碱土分布在微坡地和高平地。

7.Boron accumulation in sodic soil is the key factor for irrigation application of studied effluent water.

元素在碱性土壤中的累积是影响试验用污水长期灌溉应用的关键因素。

8.The soil in this region is highly sodic, which means it has a high concentration of sodium ions.

该地区的土壤是高度碱性土壤，这意味着它含有高浓度的钠离子。

9.Farmers often struggle with sodic soils because they can lead to poor crop yields.

农民常常面临碱性土壤的问题，因为这些土壤会导致作物产量低下。

10.To improve sodic soils, gypsum is sometimes applied to help displace sodium.

为了改善碱性土壤，有时会施用石膏来帮助置换钠。

11.The presence of sodic conditions can affect the water retention capacity of the soil.

存在碱性条件可能会影响土壤的水分保持能力。

12.In arid regions, sodic soils are common due to evaporation of water leaving behind salts.

在干旱地区，由于水分蒸发留下盐分，碱性土壤很常见。

作文

The term sodic, which refers to the presence of sodium in a compound or environment, is particularly significant in the fields of chemistry and agriculture. Understanding the implications of sodic conditions can help us address various environmental issues and improve agricultural practices. In this essay, I will explore the concept of sodic soils, their characteristics, and their impact on plant growth and soil health. Firstly, sodic soils are defined by their high sodium content, which can lead to specific challenges for farmers and land managers. These soils often exhibit poor structure, resulting in reduced water infiltration and increased surface runoff. This is primarily because sodium ions cause soil particles to disperse, leading to a compacted layer that restricts root growth and decreases the availability of essential nutrients. In areas with sodic soils, plants may struggle to thrive due to the unfavorable growing conditions created by excessive sodium levels. Moreover, the presence of sodic conditions can also result in the accumulation of salts in the soil, further exacerbating the problem. High salinity levels can be detrimental to many crops, as they can cause osmotic stress, making it difficult for plants to absorb water. This condition is particularly concerning in arid and semi-arid regions where irrigation is necessary for crop production. If not managed properly, sodic soils can lead to decreased agricultural productivity and economic losses for farmers. To mitigate the effects of sodic soils, various strategies can be employed. One effective method is the application of gypsum, a mineral that can help displace sodium ions from the soil particles. By improving soil structure and promoting better drainage, gypsum can enhance the overall health of sodic soils, making them more suitable for plant growth. Additionally, incorporating organic matter into the soil can improve its physical properties and increase its ability to retain moisture and nutrients. Another important aspect of managing sodic soils is understanding the role of water management. Proper irrigation techniques can help control the salinity levels in the soil and prevent the buildup of sodium. For instance, using leaching irrigation can help flush excess salts from the root zone, thereby improving the overall health of the soil. Furthermore, selecting salt-tolerant plant species can also be beneficial in areas affected by sodic conditions, as these plants are better equipped to survive in high-sodium environments. In conclusion, the term sodic is crucial for understanding the challenges posed by high sodium levels in soils. By recognizing the characteristics of sodic soils and implementing effective management strategies, we can work towards improving agricultural productivity and promoting sustainable land use practices. As we continue to face environmental changes and challenges, addressing sodic soil issues will be vital for ensuring food security and maintaining healthy ecosystems.

术语sodic指的是化合物或环境中存在钠，这在化学和农业领域中尤其重要。理解sodic条件的影响可以帮助我们解决各种环境问题并改善农业实践。在这篇文章中，我将探讨sodic土壤的概念、其特征及其对植物生长和土壤健康的影响。 首先，sodic土壤的定义是其高钠含量，这可能给农民和土地管理者带来特定的挑战。这些土壤通常表现出较差的结构，导致水分渗透减少和地表径流增加。这主要是因为钠离子导致土壤颗粒分散，从而形成紧实层，限制根系生长并减少必需养分的可用性。在sodic土壤地区，由于过量钠水平造成的不利生长条件，植物可能难以生存。 此外，sodic条件的存在还可能导致土壤中盐分的积累，进一步加剧问题。高盐度水平对许多作物都是有害的，因为它们会导致渗透胁迫，使植物难以吸收水分。这种情况在干旱和半干旱地区尤为严重，在这些地区，灌溉对作物生产至关重要。如果管理不当，sodic土壤可能导致农业生产力下降，给农民带来经济损失。 为了减轻sodic土壤的影响，可以采用多种策略。一种有效的方法是施用石膏，这是一种可以帮助替代土壤颗粒中的钠离子的矿物质。通过改善土壤结构和促进更好的排水，石膏可以增强sodic土壤的整体健康，使其更适合植物生长。此外，将有机物纳入土壤中可以改善其物理特性，并增加其保持水分和养分的能力。 管理sodic土壤的另一个重要方面是理解水管理的角色。适当的灌溉技术可以帮助控制土壤中的盐度水平，并防止钠的积聚。例如，使用淋洗灌溉可以帮助冲刷根区内的多余盐分，从而改善土壤的整体健康。此外，在受sodic条件影响的地区选择耐盐植物种类也是有益的，因为这些植物更能适应高钠环境。 总之，术语sodic对于理解高钠水平土壤所带来的挑战至关重要。通过认识sodic土壤的特征并实施有效的管理策略，我们可以努力改善农业生产力，促进可持续的土地利用实践。随着我们继续面临环境变化和挑战，解决sodic土壤问题将对确保粮食安全和维持健康生态系统至关重要。