calcium eluviation

简明释义

钙淋洗

英英释义

例句

1.Researchers are investigating the relationship between calcium eluviation 钙的淋洗 and plant growth.

研究人员正在调查<正在进行>钙的淋洗与植物生长之间的关系。

2.Farmers need to monitor calcium eluviation 钙的淋洗 to maintain crop health.

农民需要监测<正在进行>钙的淋洗以维持作物健康。

3.The study focused on the effects of calcium eluviation 钙的淋洗 on soil fertility.

该研究集中于<正在进行>钙的淋洗对土壤肥力的影响。

4.Soil amendments can help reduce calcium eluviation 钙的淋洗 during heavy rains.

土壤改良剂可以帮助减少在大雨期间的<正在进行>钙的淋洗。

5.Excessive rainfall can lead to significant calcium eluviation 钙的淋洗 in agricultural fields.

过量降雨可能导致农业田地中显著的<正在进行>钙的淋洗。

作文

In the study of soil science, one important phenomenon that often comes up is calcium eluviation. This term refers to the process by which calcium ions are leached or washed away from the soil profile, typically due to the action of water. Understanding calcium eluviation is crucial for farmers, agronomists, and environmental scientists, as it has significant implications for soil fertility and plant health. Calcium plays a vital role in soil chemistry and biology. It is not only an essential nutrient for plants but also helps to improve soil structure by promoting the aggregation of soil particles. When calcium is present in adequate amounts, it enhances the soil's ability to retain moisture and nutrients, which is beneficial for crop growth. However, when calcium eluviation occurs, the loss of calcium can lead to several adverse effects. One of the primary causes of calcium eluviation is heavy rainfall or excessive irrigation. When water moves through the soil, it can dissolve calcium ions and carry them away, especially in sandy or loamy soils that have low cation exchange capacity. This process can result in a decrease in soil pH, leading to increased acidity, which can further hinder plant growth. Furthermore, calcium eluviation can affect the availability of other essential nutrients. Calcium competes with other cations such as magnesium and potassium for uptake by plants. When calcium is leached away, it may lead to an imbalance in these nutrients, potentially causing deficiencies that can adversely affect plant health. For instance, a lack of calcium can result in physiological disorders such as blossom end rot in tomatoes and peppers. To mitigate the effects of calcium eluviation, farmers can adopt several management practices. One effective strategy is to apply lime to the soil, which not only adds calcium but also raises the soil pH, helping to counteract acidity. Additionally, using cover crops and organic matter can improve soil structure and enhance nutrient retention, reducing the risk of calcium leaching. In conclusion, calcium eluviation is a critical factor in soil management that can significantly influence agricultural productivity. By understanding this process and implementing appropriate management strategies, farmers can maintain healthy soil conditions that support robust plant growth. The interplay between calcium and other soil nutrients underscores the complexity of soil health, making it essential for those in agriculture and environmental science to pay close attention to the dynamics of calcium eluviation and its impact on ecosystems.

在土壤科学研究中，一个经常出现的重要现象是钙淋失。这个术语指的是钙离子从土壤剖面被冲洗或洗掉的过程，通常是由于水的作用。理解钙淋失对农民、农艺师和环境科学家至关重要，因为它对土壤肥力和植物健康有显著影响。钙在土壤化学和生物学中发挥着重要作用。它不仅是植物所需的必需营养素，还通过促进土壤颗粒的聚合来改善土壤结构。当钙的含量足够时，它能增强土壤保持水分和养分的能力，这对作物生长是有利的。然而，当发生钙淋失时，钙的流失可能导致若干不利影响。造成钙淋失的主要原因之一是强降雨或过度灌溉。当水分通过土壤移动时，它可以溶解钙离子并将其带走，尤其是在阳光明媚或壤土等阳性土壤中，这些土壤的阳离子交换能力较低。这个过程可能导致土壤pH值降低，从而增加酸度，进一步妨碍植物生长。此外，钙淋失还会影响其他必需营养素的可用性。钙与镁和钾等其他阳离子竞争植物的吸收。当钙被冲走时，可能导致这些营养素的不平衡，可能造成缺乏，从而对植物健康产生不利影响。例如，缺乏钙可能导致西红柿和辣椒等植物出现生理性病害，如果梗腐烂。为了减轻钙淋失的影响，农民可以采取几种管理措施。一种有效的策略是向土壤施加石灰，这不仅增加了钙的含量，还提高了土壤pH值，有助于抵消酸性。此外，使用覆盖作物和有机物可以改善土壤结构，增强养分保持能力，减少钙流失的风险。总之，钙淋失是土壤管理中的一个关键因素，可能显著影响农业生产力。通过理解这一过程并实施适当的管理策略，农民可以维持健康的土壤条件，以支持强壮的植物生长。钙与其他土壤营养素之间的相互作用突显了土壤健康的复杂性，使农业和环境科学领域的人士必须密切关注钙淋失的动态及其对生态系统的影响。