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Gardening Term: Terracing and Retaining Walls

Definition: Terracing and retaining walls are landscaping techniques used to create level platforms on sloped terrain. These structures are designed to help with drainage and flood resistance in a garden.

How Terracing Helps with Drainage and Flood Resistance

Terracing involves creating a series of level platforms on a slope, which helps to prevent water from accumulating and causing drainage issues. By creating these flat areas, excess water can be directed away from the garden, reducing the risk of waterlogging and improving overall drainage.

When heavy rainfall occurs, terracing helps to slow down the flow of water, allowing it to be absorbed into the soil gradually. This prevents erosion and soil runoff, which can lead to flooding and damage to plants.

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The terraced platforms act as natural barriers, preventing water from flowing downhill too quickly. This allows the soil to absorb the water more effectively, reducing the risk of flooding and promoting healthy plant growth.

How Retaining Walls Help with Drainage and Flood Resistance

Retaining walls are vertical structures built to hold back soil and create level areas. They are commonly used in gardens to prevent erosion and improve drainage.

Retaining walls help with drainage by creating a barrier that prevents soil from washing away during heavy rainfall. By holding the soil in place, these walls allow water to flow through the soil, promoting better drainage and preventing waterlogging.

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In terms of flood resistance, retaining walls can help redirect excess water away from the garden. By creating a barrier, they prevent water from entering the garden area, reducing the risk of flooding and protecting plants from water damage.

Additionally, retaining walls can be designed with built-in drainage systems, such as weep holes or French drains, which further enhance their ability to manage water flow and prevent flooding.

In summary, terracing and retaining walls are effective techniques for improving drainage and flood resistance in a garden. They create level platforms, slow down water flow, prevent erosion, and redirect excess water away from the garden area. By implementing these landscaping features, gardeners can create a more resilient and sustainable garden environment.

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