SCSC 105 Carson TAMU Exam 2 Latest Update 2023-2024 Questions and Verified Correct Answers
Ability to store plant nutrients of soil types - Correct Answer:Sand = very low
Silt = low-moderate Clay = high
Agroecosystems chart - Correct Answer:diversity = low
inputs = high management = high breeding = high nutrient loss = some
Alison Van Eenennaam - Correct Answer:U of California Davis, professor/science
communicator, for
Andrew Kimbrell - Correct Answer:Center for food safety, executive director, against
cation exchange capacity of soil types - Correct Answer:Sand = low
Silt = low-moderate Clay = high
Charles Benbrook - Correct Answer:Previous (U of Wash) , former professor, against
Define agroecosystem - Correct Answer:Ecosystems modified to produce, food, fiber, and/or shelter
Define ecosystem - Correct Answer:The collective function of organisms and their environment
Define shrink-swell potential in soil - Correct Answer:A measurement of the amount of volume change that can occur when a soil wets and dries
Dennis Gonsalves - Correct Answer:Cornell university, professor emeritus, for
DONT GUESS - SOIL TEST - Correct Answer:JUST KNOW THIS
Drainage of soil types - Correct Answer:Sand = high
Silt = slow-moderate Clay = very slow
Ease of cultivation for soil types - Correct Answer:Sand = easy
Silt = moderate Clay = hard 1 / 2
Give a historical example of a simple agroecosystem gone wrong - Correct Answer:The Irish potato famine of the 19th century
How to reduce soil erosion - Correct Answer:1. Crop rotations
- Contour stripping
- Conservation tillage
- Conservation reserve program
Identify the 5 soil forming factors - Correct Answer:1. Climate
- Organisms (biota)
- Relief (topography)
- Parent material
- Time
Jeffrey Smith - Correct Answer:Institute for responsible technology, author/filmmaker, against
Know how to use the soil texture triangle - Correct Answer:JUST KNOW THIS
List the 6 different fertilization methods - Correct Answer:1. Broadcast (spread evenly across area, granular)
- Injection (placed under soil near roots, liquid or gas)
- Banding (at planting with 2" of seedbed)
- Pop-Up (placed in seedbed with seed)
- Side-dressing (placed alongside row)
- Fertigation (injecting fertilizer into irrigation water)
Margaret Wile - Correct Answer:Hawaii county, council member, against
Name 5 different important functions that ecosystems provide - Correct Answer:1.Wildlife
- Food production
- Water regulation
- Climate regulation
- Disturbance regulation
Natural ecosystems chart - Correct Answer:diversity = high
inputs = none management = none breeding = none nutrient loss = none
Pamela Ronald - Correct Answer:U of California Davis, professor, for
Robert Fraley - Correct Answer:Monsanto, chief technical officer, for
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