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PS 103 Chapter 13. questions and answers already passed 2024
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PS 103 Chapter 13. questions and answers already passed 2024
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PS 103 Chapter 13When biodiversity is considered, the concept of richness to the distribution or
relative abundance of the individual of a species. - correct answer ✔True
Increased biodiversity is generally desirable in an agroecosystem. - correct
answer ✔True
Continuous cropping is the planned sequence of different crops grown over
years on the same land. - correct answer ✔False
A 2-year rotation is generally adequate to control pests. - correct answer
✔False
By cropping corn continuously, producers can expect 10 percent yield gains
over corn in rotation. - correct answer ✔False
The nitrogen from legumes can provide enough nutrition for a subsequent
corn crop. - correct answer ✔False
Corn and soybean are crops that tend to be grown in monocultures. - correct
answer ✔True
Polyculture systems are easier to manage than monoculture systems. -
correct answer ✔False
Hay mixtures using species such as alfalfa and grasses are an example of
mixed intercropping. - correct answer ✔True
, Living mulches have only been used to a limited extent due to management
challenges. - correct answer ✔True
Multiple cropping is often practiced in areas with short growing seasons. -
correct answer ✔False
Green manures can be used as a substitute for synthetic fertilizers. - correct
answer ✔True
One way to diversify the landscape is through conservation plantings. - correct
answer ✔True
Farmers who have CRP plantings receive a one-time payment for enrollment.
- correct answer ✔False
Studies have not shown a positive environmental impact as a result of the
CRP program. - correct answer ✔False
A common example of a 2-year rotation in the Midwest is:
A. Alfalfa-soybean
B. Corn-soybean
C. Corn-corn
D. Alfalfa-red clover - correct answer ✔B
A common companion crop to alfalfa is:
A. Sugar beet
B. Corn
C. Soybean
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