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Crops > Chapter 13 > Flashcards

Chapter 13 Flashcards

1
Q

When biodiversity is considered that concept of richness refers to the distribution or relative abundance of the individuals of a species

A

False

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2
Q

Increased biodiversity is generally desirable in an agroecosystem

A

True

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3
Q

Continuous cropping is the planned sequence of different crops grown over years on the same land

A

False

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4
Q

A 2 year rotation is generally adequate to control pests

A

False

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5
Q

By cropping corn continuously, produces can expect 10 percent yield gains over corn in rotation

A

False

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6
Q

The nitrogen from legumes can provide enough nutrition for a subsequent corn crop

A

True

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7
Q

Corn and Soybean are crops that tend to be grown in monocultures

A

True

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8
Q

Polyculture system are easier to manage than monoculture systems

A

False

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9
Q

Hay mixtures using species such as alfalfa and grasses are an example of missed intercropping

A

True

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10
Q

Living mulches have only been used to a limited extent due to a management challenges

A

True

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11
Q

Multiple cropping is often practiced in areas with short growing seasons

A

False

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12
Q

Green manures can be used as a substitute for synthetic fertilizers

A

True

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13
Q

One way to diversify the landscape is through conservation planting

A

True

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14
Q

Farmers who have CRP planting receive one-time payment for enrollment

A

False

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15
Q

Studies have not shown a positive environmental impact as a result of the CRP Program

A

False

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16
Q 
A common example fro a 2-year rotation in the Midwest is 
       A. Alfalfa-Soybean
       B. Corn-Soybean 
       C. Corn-Corn 
       D. Alfalfa-Red Clover
A

B. Corn-Soybean

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17
Q 
A common companion crop to alfalfa is: 
       A. Sugar Beet
       B. Corn 
       C. Soybean 
       D. Oats
A

D. Oats

18
Q 
Growing two or more crops together in the same place during a growing season is called: 
       A. Continuous Cropping 
       B. Monoculture 
       C. Polyculture 
       D. Crop Rotation
A

C. Polyculture

19
Q 
The agroforestry system where trees are grown in rows with an annual, or perennial crop between is called: 
       A. Multiple Cropping 
       B. Contour Strip Cropping 
       C. Continuous Cropping 
       D. Alley Cropping
A

D. Alley Cropping

20
Q 
The polyculture system where annual grain crops are planted into a suppressed perennial sod is: 
       A. Living Mulch 
       B. Strip Cropping 
       C. Contour Strip Cropping 
       D. Alley Cropping
A

A. Living Mulch

21
Q

An example of a double crop system that would be grown in a state such as Illinois is:
A. Wheat planted in fall with corn planted in spring
B. Barley planted in fall with wheat planted in spring
C. Wheat planted in the fall with barley planted in spring
D. Soybean planted in fall with cron planted in spring

A

A. Wheat planted in fall with cron planted in spring

22
Q 
The type of multiple cropping system were a crop is planted (but not for harvesting) during or following the cash crop is: 
       A. Living Mulch 
       B. Cover Cropping 
       C. Alley Cropping 
       D. Conservation Planting
A

B. Cover Cropping

23
Q 
A common crop grown in rotation with cotton is: 
       A. Peanut 
       B. Sugar Beet
       C. Rye 
       D. Potato
A

A. Peanut

24
Q 
Cover crops are killed using which method? 
       A. Herbicides 
       B. Rolling 
       C. Mowing
       D. All answers are correct
A

D. All answers are correct

25
Q 
Which of the following corps is known to have allopathic effects? 
       A. Corn  
       B. Barley 
       C. Rye 
       D. Wheat
A

C. Rye

26
Q 
What percentage of the Corn Belt is planted with Corn and Soybeans? 
       A. 50 Percent 
       B. 75 Percent 
       C. 85 Percent 
       D. 95 Percent
A

D. 95 Percent

27
Q 
Which is a type of agroforestry system that combines trees with pastures for livestock utilizations
       A. Silvopasture 
       B. Alley Croping
       C. Continuous Cropping 
       D. Cover Cropping
A

A. Silvopasture

28
Q

________ refers to all the species of living organisms in an agroecosystems

A

Biodiversity

29
Q

The two components of biodiversity are _______ and _______

A

Richness and Evennees

30
Q

________ cropping is when the same corp is grown for 2 or more years on the same land

A

Continuous

31
Q

The process that causes beneficial consequences on yield for unknown reasons is called ________

A

Rotation Effects

32
Q

The system that involves growing a single crop within a field during the growing season is a _______

A

Monoculture

33
Q

The insurance that polyculture can provide against total crop failure is called ______

A

Yield Stability

34
Q

The type of polyculture where two or more crops are grown randomly together are called ______

A

Mixed Intercropping

35
Q

The polyculture system where crops are grown in monoculture in adjacent rows is called ______

A

Strip Cropping

36
Q

The form of strip cropping commonly used for conserving soils on sloping credible land is _______

A

Contour Strip Cropping

37
Q

The sequential production of two or more different crops from the same piece of land is _____ cropping

A

Multiple

38
Q

Plants that contain compounds the inhibit the growth of other plants are _______

A

Allelopanthic

39
Q

Crops grown to be plowed under to improve soil quality are ______ crops

A

Green Manure

40
Q

________ are swaths of trees, shrubs or grasses planted along the banks of streams, rivers, wetlands and lakes

A

Riparian Buffers

41
Q

________ are rows of trees at the ends of the fields that slow wind velocity and protect crops and building from wind erosion and wind damage

A

Shelterbelts

Crops (14 decks)

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