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Ch 11 - Coggle Diagram
Ch 11
What was the Dust Bowl and why did this occur?
the name given to the drought-stricken southern plains region of the United States, which suffered severe dust storms during a drought in the 1930s
What are soils typically composed of?
minerals, soil organic matter, living organisms, gas, and water
What do plant require from soils for growth?
carbon, oxygen and hydrogen
What are some issues related to soil and their causes?
Soil compaction (dense soil that drains water very slowly), topsoil removal, and erosion
Explain the Keita Project.
to increase food security and reverse desertification in the Ader, Doutchi and Maggia valleys of Keita Department
Describe the different soil master horizons.
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What is soil texture? How do we determine this using a textural triangle?
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What soil orders are found in NJ?
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What are the five soil forming factors?
Parent material, climate, biota (organisms), topography and time
Explain soil erosion, the different types, and preventative measures.
The removal and transportation of the top layer of soil from its original position to another place, under the effect of strong winds and fast running rainwater is called soil erosion. Soil erosion can be prevented by : Intensive cropping. Sowing grasses and planting xerophytes
What are the functions of soil organic matter?
a reservoir of nutrients and water in the soil, aids in reducing compaction and surface crusting, and increases water infiltration into the soil
What are the major functions of soil?
nutrient cycling, C storage and turnover, water maintenance, soil structure arrangement, regulation of aboveground diversity, biotic regulation, etc.