Leached

The term 'leached' refers to the process by which water or other solvents remove soluble substances from a solid, particularly soil or mineral materials. This process can occur naturally through precipitation or artificially through agricultural practices. As a result of leaching, nutrients can be lost from the soil, affecting plant growth, and potentially leading to environmental degradation in water bodies due to runoff that carries these leached substances.

Leached meaning with examples

• In agricultural fields, excessive rainfall may cause vital minerals, such as nitrogen and potassium, to be leached from the soil, resulting in decreased crop yield. Understanding leaching processes is essential for farmers to enhance soil fertility and ensure sustainable farming practices. Farmers often track rainfall patterns to apply fertilizers effectively, minimizing nutrient loss and maximizing plant growth.
• When the old mining site was rehabilitated, it was essential to determine whether harmful metals had been leached into the nearby river. Environmental scientists conducted tests on the water and sediment to assess the level of contamination. Their findings were significant because they informed efforts to restore the ecosystem and protect aquatic life from the effects of leaching. This awareness is critical for enforcing safety measures.
• During heavy rainfall, fertilizers applied to lawns may be leached away, causing them to enter storm drains and ultimately polluting natural water bodies. Homeowners are encouraged to apply fertilizers judiciously and employ techniques to minimize leaching, such as using slow-release granules or scheduling applications before predicted rain. This practice not only protects water quality but also enhances the health of grass and plants.
• The study investigated how the leaching of pesticides from agricultural fields affected the water quality of nearby reservoirs. Researchers found that certain compounds remained in the soil or were rapidly degraded, while others leached deeply into the ground. These results demonstrated how crucial it is to monitor pesticide use and its potential long-term impacts on local ecosystems and drinking water availability.