Question

I'm confused in texture of soils experiment ​

Answer 1

Explanation:

topsoil

Soil is usually layered. The uppermost layer is called topsoil and this layer contains humus, plant roots, and living creatures. The more humus found in topsoil, the more nutrient rich the topsoil and the better the conditions for growing plants. The middle layer is called subsoil.

Answer 2

Explanation:

Materials:Straight edged, clear jarPermanent markerRulerWatch or stop watch1 tablespoon of powdered dishwashing detergentMesh sieve or old colander

Procedure:1. Using a mesh sieve or old colander, sift the soil to remove any debris, rocks, and large organic matter (leaves, sticks, roots, etc.).2. Fill the jar ⅓ full of the soil to be testedJar filled with water, leaving space at top.Jar filled with water, leaving space at top.Andrew “Drew” Jeffers, ©2018, Clemson Extension3. Fill the remainder of the jar with clean water, but leave some space at the top.Jar showing the course sand layer settled at the bottom of the jar.Jar showing the coarse sand layer settled at the bottom of the jar.4. Add 1 tablespoon of powdered dishwashing detergent5. Cap the jar and shake vigorously until the soil turns into a uniform slurry.6. Set on a level surface and time for one minute.7. Place a mark the outside of the jar, showing the coarse sand layer settled at the bottom of the jar.8. Leave the jar in a level spot for 2 hours.9. Mark the top of the next settled layer with the permanent marker. This is the silt layer.10. Leave the jar on a level spot for 48 hours.11. Mark the top of the next settled layer with the permanent marker. This is the clay layer that has settled on top of the silt layer.12. Using a ruler, measure and record the height of each layer, and the total height of all three layers. Use the soil texture analysis worksheet below to record results.

And Ur experiment is done

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