A type of crops that have the benefit of conserving soil, retaining nutrients, and saving energy.
Perennial Crops
100
Land that supplies forage or vegetation for grazing and browsing animals and is not intensively managed.
Rangeland
100
productive potential of arid or semiarid land falls by 1-% or more because of a combination of natural climate change that causes prolonged drought and human activities that reduce or degrade topsoil
Desertification
100
List the soil horizontal layers from top to bottom
O-A-E-B-C-D
200
A condition in which food energy intake exceeds energy use and causes excess body fat (obesity)
Overnutrition
200
A type of agriculture which farmers produce enough food to feed their families and to sell for income.
Traditional Intensive Agriculture
200
Managed grassland or enclosed meadow that usually is planted with domesticated grasses or forage to be grazed with livestock.
Pasture
200
Repeated annual applications of irrigation water lead to the gradual accumulation of salts in the upper soil layers
Salinization
200
A program used cultivation, biological, and chemical methods to control pests that required deep research on each crops and its ecological environment.
Integrated Pest Management (IPM)
300
Anemia can be the result of deficiency in
Iron
300
One major type of agriculture system that uses large amount of fossil fuel energy, water, fertilizers, and pesticides to produce huge quantities of sing crops (monoculture) or livestock animals for sale.
Industrialized Agriculture
300
The raising of livestock for food by moving herds from place to place to find pasture and water
Nomadic Herding
300
Large amounts of irrigation water to leach salts deeper into the soil but without adequate drainage, water accumulates underground and gradually raises the water table.
Waterlogging
300
Name two methods can be used to control pests beside using pesticide.
Genetic engineering
Biological pest control
Insect birth control
Spraying insects with hot water
Hormones that disrupt an insect's normal life cycle
400
A general condition which results from deficiencies in protien and other key nutrients.
Malnutrition
400
Name 4 crops are commonly grown in plantation agriculture.
Bananas, Cocoa, Coffee, and Sugarcane
400
Reduction of the net primary productivity of grassland vegetation and grass cover from absence of grazing for long periods (at least 5 years).
Undergrazing
400
Name one environmental effect of food production on human health.
Contamination of drinking water, food, and air
400
The period of changes in agricultural methods to increase crop production; includes use of genetically modified foods
Second Green Revolution
500
The principle cause of hunger and malnutrition is
poverty
500
Name and explain four types interplanting.
Polyvarietal cultivation: a plot planted several varieties of the same crop.
Intercropping: two or more different crops are grown at the same time on a plot.
Agroforestry: crops and trees are planted together.
Polyculture: different plants maturing at various times are planted together.
500
Who manage and determine the condition of rangelands in the US?
The Bureau of Land Management
500
Name one environmental effect of food production on biodiversity.
Loss and degradation of habitat from clearing grasslands and forests and draining wetlands
Fish kills from pesticides run off
Killing of wild predators to protect livestocks
Loss of genetic diversity from replacing thousands of wild crop strains with a few monoculture strains
500
A process where rainwater goes through soil, carrying dissolved minerals lower