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Evaluation of Urban Soils


Quiz Questions

1.Which of the following are soil reconditioning techniques?
Adding compost and tilling
Altering the soil chemistry to achieve desired parameters (e.g., pH)
Raking out construction debris and using a subsoiler to break up compacted soils
All of the above
2. Urban agriculture is the cultivation of crops in urban or suburban areas for local consumption or sale.
True
False
3.________ is the unconsolidated mineral or organic material on the immediate surface of the Earth that serves as a natural medium for the growth of plants.
Water
Minerals
Soil
Earthworms
4.Which of the following garden alternatives can be used if the existing soils are unsuitable for the intended crops for urban agriculture, or if the existing soil is contaminated at the surface or in the root zone?
Raised beds
Vertical gardening
Container gardening
All of the above
5. ______________of urban soils is intended to adjust drainage characteristics, improve soil structure, and mitigate compaction.
Physical reconditioning
Chemical reconditioning
Biological reconditioning
Organic reconditioning
6.__________is the process of turning over or mixing the soil for the purpose of loosening and aerating in preparation for seeding or plantings.
Drainage
Raking
Tillage
All of the above
7.Composting does not eliminate all pesticide residues or chemicals.
True
False
8. Gravel and sand are commonly recommended to __________drainage and are typically used in drainage structures and green infrastructure practices.
Improve
Decrease
Stop
None of the above
9.Which of the following are examples of Biological amendments?
Compost tea
Humic acid
Kelp extracts
All of the above
10.Bioremediation involves the use of enhanced plant and/or microbial action to degrade organic contaminants into harmless metabolic products.
True
False