NEW
Font size
WorksheetsSoils and Agriculture Review
Total questions: 35
Worksheet time: 20mins
Which soil particle is the SMALLEST?
sand
silt
clay
they are all the same size
environmental advantage of no-till agriculture
less erosion
decrease in labor costs
increased use of herbicides and pesticides
increased need for irrigation
Agriculture that features large numbers of animals in a small area with corn or other feeds being shipped in rather than pasture
IPM
aquaculture
hydroponics
CAFO
Which of the following would be best addressed with contour plowing?
eutrophication
soil erosion
soil salinization
pesticide tredmill
The rearing of aquatic organisms
agroforestry
aquaculture
CAFO
Green Revolution
__________ is the amount of crops produced per unit area
Yield
Production
Acreage
None of these
_________________ is the accumulation of salts in soil.
Salinization
Erosion
Compost
Topsoil
______________________ is a process by which human activity or climatic changes make arid or semiarid areas more desert-like
Erosion
Desertification
Compost
None of these
_______________ is the surface layer of the soil, which is usually richer in organic matter than the subsoil
Topsoil
Salinization
Erosion
None of these
_____________ is a poison used to destroy pests, such as insects, rodents or weeds
Pesticide
Biological pest control
Aerosol
None of these
____________ is domesticated animals that are raised to be used on a farm or ranch or to be sold for profit
Ruminant
Livestock
Aquaculture
None of these
_____________ is the percentage of the total volume of soil that consists of open spaces.
Porosity
Leeching
Infiltration
Permeability
_______________ is the ability of soil to let fluids pass through its open spaces.
Porosity
Permeability
Infiltration
Leeching
A major disadvantage to Monoculture is
its high use of fertilizers
simplicity of production
its need for specialized harvesting
that it reduces the threat of pests
Heavy use of irrigation, pesticides and fertilizer and mechanized farming methods characterizes
the green revolution
polyculture
aquaculture
the organic movement
An Earth material that is 45% mineral, 50% pore space and 5% organic matter is called
soil
subsoil
bedrock
impermeable
Which of these Earth materials is likely the most permeable?
gravel
sand
silt
clay
The relative abundance of sand, silt and clay in soil can be found by determining its
texture
implied ratio
salinity ratio
saturation
One cause of soil erosion/degradation is
deforestation
polyculture
organic farming
the minimal use of fertilizer
One animal food product that uses the most land, water and produces the most greenhouse gas is
beef
pork
chicken
eggs
One advantage to confined animal feeding operations is their
efficiency
pollution
use of antibiotics
humane treatment of the animals
All of these are soil conservation methods except
monocropping
no-till farming
contour plowing
building terraces
Which soil conservation method involves building steps into a steep hillside to prevent soil erosion?
Windbreaks
Terracing
Agroforestry
A large-scale farming operation that practices monoculture is which of the following?
Community farming
Traditional farming
Organic farming
Industrial farming
In organic agriculture even natural fertilizers cannot be used.
True
False
Which of the following is not a benefit of GMOs
Increases pest resistance
Decreases biodiversity
Increases drought resistance
Reduces cost of manufacturing
