Soils, Drainage and Runoff (Questions and Answers)
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Course
BIO ap
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BIO Ap
Soils, Drainage and Runoff
Goal 1: Classify soils by grain size
Watch this video first to learn how to use plot soil components on a ternary diagram:
1. If a soil survey tells you that you have a ‘sandy clay loam’ on your property, what does your
soil have in most abundance: sand, silt or ...
drainage and runoff goal 1 classify soils by grain size watch this video first to learn how to use plot soil components on a ternary diagram httpswwwyoutubecom
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Soils, Drainage and Runoff
Goal 1: Classify soils by grain size
Watch this video first to learn how to use plot soil components on a ternary diagram:
https://www.youtube.com/watch?v=y4xndouxWPY
1. If a soil survey tells you that you have a ‘sandy clay loam’ on your property, what does your
soil have in most abundance: sand, silt or clay?
It has a high percentage of sand
2. If you send your soil out for a test and find out that it contains 75% silt and 25% clay, what
kind of soil do you have?
It results in a silt loam.
3. Pure loam is considered to be the best kind of soil for a farm or garden and is often defined
as a soil with roughly equal proportions of sand, silt, and clay. Is that what the diagram shows?
Its is a soil with roughly equal proportions of sand(40), silt(40), and clay(20), the ideal
soil
This study source was downloaded by 100000857952895 from CourseHero.com on 01-10-2023 11:48:36 GMT -06:00
In this lab, you will simulate the soil type by moving the sliding bars in the “Soil Meter” to the left
or right. The name of the soil will appear as you move the bars. Once you have your soil
composition set, click test soil and wait as soil will be poured into your funnel. Then click “pour
water” and wait until 1 one drop of water falls into your beaker. Record the percentages of each
soil component and the total amount of water (ml) that had to be added before any water was
able to drain through the soil.
Percentages Amount of water
Soil Type needed to drain
Sand Silt Clay
Heavy Clay -- -- 100%
Silty Clay
Silty Clay Loam
Silt -- 100% --
Silt Loam
Loam
Sandy Loam
Loamy Sand
Sand 100% -- --
Answer the following questions based on your virtual experiments:
1. Which type of soil drained the fastest (i.e., the least amount of water needed to be added in
order for a drip to appear)? Why do you think that soil drained so well?
*The URL isn't working, i'm on a school computer and it says adobe flash player blocked*
2. If you were farming on that type of soil, what kinds of problems would you have?
3. Which type of soil drained the slowest (most amount of water needed to be added)?
4. If you were farming on that type of soil, what kinds of problems would you have?
This study source was downloaded by 100000857952895 from CourseHero.com on 01-10-2023 11:48:36 GMT -06:00
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