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WorksheetsCan Cover Crops Help Farmers Cut Back on Fertilizer?
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
How do cover crops benefit soil?
a)
They provide food for animals in the winter.
b)
They add phosphorus and oxygen to the soil.
c)
They add nitrogen and carbon to the soil.
2.
How much of the nation's energy supply is used by farming?
a)
Over one half.
b)
Approximately one third.
c)
Approximately one fifth.
d)
Approximately one fourth.
3.
3%
a)
What is the percentage of farmers that use cover crops?
b)
What is the percentage of farms in the US using renewable energy?
c)
What is the percentage of farms in the US that employs over 10 people per farm.
4.
The source for most nitrogen used as fertilizer comes from which of the following?
a)
vitamins
b)
cover crops
c)
peanuts
d)
fossil fuels
5.
80%
a)
Percentage of farms expected to go solar by 2020.
b)
Percentage of fertilizer produced by natural gas.
c)
Percentage of farms in the US that use cover crops.
6.
Soil that is healthy gets its smell from which of the following?
a)
microorganisms
b)
fertilizer
c)
worms
d)
leaves
7.
Another benefit of planting cover crops is
a)
providing food for wildlife
b)
retaining water
c)
supplying oxygen to the soil
d)
reducing farm runoff
8.
Which of the following in NOT a drawback to using cover crops?
a)
Cover crops can be vulnerable to cold.
b)
The nitrogen produced by cover crops may not be available to the cash crop at the right time.
c)
Planting cover crops is expensive.
d)
Cover crops can be vulnerable to dry weather.
9.
Based on the 2012 Census of Agriculture, which type of renewable energy is used the least?
a)
biodiesel
b)
methane digesters
c)
wind
d)
ethanol
10.
The use of nitrogen fertilizer sourced from fossils fuels contributes to agricultural energy consumption. What two crops contribute to this energy consumption due to their high nitrogen needs?
a)
Corn and soybeans.
b)
Wheat and soybeans
c)
Corn and wheat
d)
Corn and rice
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