Plants in our World
These types of plants are used strictly for aesthetic purposes.
What are Decorative plants?
This is a detrimental effect on soil
What is Erosion?
Soils typically form over time in these distinct layers
What is a horizon?
This is the measure of acidity or alkalinity in the soil
What is pH?
The ability of a substance to allow another substance to pass through it
What is permeability?
Plants convert this gas into oxygen for humans and other animals
What is Carbon Dioxide?
This is the process of soil formation that is done by movement within the soil profile
What is transformation?
This layer is also known as the litter layer since it is comprised of whole or partially decayed organic matter
What is Organic?
A substance with a pH value less than 7.0 due to high concentrations of hydrogen ions
What is an Acid?
True or False: Salinity of the soil can't be monitored like pH can.
What is False?
What is corn?
Soil comes from this
What is parent material?
This is relative to soil structure and is considered to be a soil evaluation category
What is Effective Depth?
If you were testing the pH of the ocean and apple juice, which one is considered acidic and which one is considered alkaline?
Acidic: Apple Juice
Alkaline: Ocean Water
Because of poor farm practices, humans caused this to happen
What is the dust bowl?
Provide 1 issue facing the supply of plant products that we discussed in class
What is:
- Global Human Pop.
- Demand for biofuels
- Urban Growth
- Water Resources
- Climate Change
- Transportation Costs
YOU MUST HAVE BOTH IN ORDER TO GAIN THE POINTS!
Climate has several factors that act upon soils, which breakdown into smaller fragments. What are those forces?
What are Rainfall and Temperature?
These two factors influence soil color
What is organic matter and iron?
If you were required to lower the pH of the soil, you would add this element
What is Sulfur?
True or False: High salt content can affect the water uptake and availability of nutrients for plants.
What is True?
List 3 ways in which humans use plant material
- Food
- Feed for livestock
- Fiber
- Fuel
- Medicine
- Aesthetic
YOU MUST HAVE ALL THREE RIGHT IN ORDER TO GAIN THE POINTS!
List 3 of the 5 factors that contribute to soil formation
What are
- Organic Matter
- Parent Material
- Time
- Climate
- Topography
This is a category that is defined by how well the ped holds its shape and how distinct the shape of the ped is. There are 4 of them...
What is the structure grade?
A substance with a pH value greater than 7 due to a high concentration of hydroxyl ions
What is Alkaline?
This roundworm lives in the soils of crop fields and landscapes