Soil Conservation.

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Presentation transcript:

Soil Conservation

What are some management practices that can be implemented in urban areas to reduce soil erosion? In urban areas, the main concern is keeping the soil covered and controlling water runoff. This applies to construction sites, roads, parking lots, and recreational areas. Some of the following practices help conserve soil in urban areas.

What are some management practices that can be implemented in urban areas to reduce soil erosion? Mulching is placing a layer of straw, burlap, or other material on top of soil to protect it from wind and water. Mulch helps hold water and reduce the impact of water flow.

What are some management practices that can be implemented in urban areas to reduce soil erosion? Silt fences are placed at the bottoms of slopes to hold the soil yet allow the water to flow. This keeps sediment out of streams and lakes and prevents the loss of soil. Silt fences may be made out of bales of hay, plastic strips, or other materials. Cover crops or vegetation can be planted on excavated soil to hold it in place. Winter grass can be planted in the fall on new lawn areas to prevent erosion until the following spring when a permanent sod can be established.

What management practices in horticulture will help minimize soil erosion? Horticulture utilizes the soil for growing crops, which creates loose soil that can be easily eroded. Several management practices can be implemented to reduce soil erosion. 1. Plant on the contour, which involves planting around slopes rather than up and down them. This helps slow the flow of water and allows it to be absorbed rather than runoff.

What management practices in horticulture will help minimize soil erosion? Planting on the contour

What management practices in horticulture will help minimize soil erosion? 3. A terrace is a ridge or row of earth mounds placed across a slope. Terraces allow a gradual drop for the flow of water. This helps prevent rapid water flow and aids in holding soil in place.

What management practices in horticulture will help minimize soil erosion? 4. Grassed strips are small strips covered with grass that may be left near plowed areas. This slows the flow of water and helps keeps gullies from forming. 5. Diversion ditches are small ditches that may be built across slopes to slow water movement and divert it in to a safe outlet. They are similar to grassed waterways, but may be lined with riprap or other material. 6. Strip cropping is planting alternating strips of crops on sloping land. The strips slow the flow of water and hold the topsoil in place.

What management practices in horticulture will help minimize soil erosion? 7. Cover Crops - Vegetative covers involve fields that may be planted in winter-cover crops after fall harvest. The cover crop adds fertility and protects the soil from erosion. 8. Conservation tillage involves planting crops with little or no plowing. Crop residue from the previous year is left on the surface to protect the land. 9. Windbreaks include rows of trees that may be planted to slow blowing wind and help prevent wind erosion. Conservation Tillage -Methods? -Pros and Cons? -What does it look like?