Land and Water Use

Why might a person use a broad spectrum pesticide?

• when they are wanting to kill rodents

• when they are wanting to kill bacteria

• when they do not know the organism

• when they are wanting to kill fungi

What allowed for the US to be self sufficient in the 1950's?

• green revolution

• agricultural revolution

• urban revolution

• fishing revolution

Who is Norman Borlaug?

• father of green revolution

• father of genetics

• father of agricultural practices

• father of urbanization

Why is the slash and burn technique not sustainable?

• may lead to desertification

• leads to soil degradation

• exposes organic matter to oxygen

• overproduction

How much of pesticides does the US use?

• 1/3

• 1/4

• 1/8

• 1/2

What type of irrigation is the most efficient, but costs the most money?

• drip

• spray

• furrow

• flood

What percent efficiency is drip irrigation?

• >95

• 70-80

• 75-95

• 65

What percent efficiency is flood irrigation?

• 70-80

• >95

• 75-95

• 65

All of the following are environmental issues with high density animal farming except:

• stream bank erosion

• antibiotic resistance

• waste disposal

• diseases

All of the following are environmental issues with free-range grazing except:

• uses less fossil fuel energy

• stream bank erosion

• pollution of surface waters

• overgrazing