Agriculture
The purposeful cultivation of plants or raising of animals to produce goods for survival
Climate region
An area that has similar climate patterns generally based on its latitude and its location on a coast or continental interior
Mediterranean agriculture
An agricultural practice that consists of growing hardy trees and shrubs and raising sheep and goats
Subsistence agriculture
An agricultural practice that provides crops or livestock to feed one’s family and close community using fewer mechanical resources and more people to care for the crops and livestock
Commercial agriculture
An agricultural practice that focuses on producing crops and raising animals for the market for others to purchase
Bid-rent theory
A theory that describes the relationships between land value, commercial location, and transportation (primarily in urban areas) using a bid-rent gradient, or slope; used to describe how land costs are determined
Central business district (CBD)
The central location where the majority of consumer services are located in a city or town because the accessibility of the location attracts these services
Intensive agriculture
An agricultural practice in which farmers expend a great deal of effort to produce as much yield as possible from an area of land
Monocropping
The cultivation of one or two crops that are rotated seasonally
Monoculture
The agricultural system of planting one crop or raising one type of animal annually
Crop rotation
The varying of crops from year to year to allow for the restoration of valuable nutrients and the continuing productivity of the soil
Plantation agriculture
A type of large-scale commercial farming of one particular crop grown for markets often distant from the plantation
Market gardening
A type of farming that produces fruits, vegetables, and flowers and typically serves a specific market or urban area
Mixed crop and livestock systems
A type of farming in which both crops and livestock are raised for profit
Extensive agriculture
An agricultural practice with relatively few inputs and little investment in labor and capital that results in relatively low outputs
Shifting cultivation
The agricultural practice of growing crops or grazing animals on a piece of land for a year or two, then abandoning that land when the nutrients have been depleted from the soil and moving to a new piece of land where the process is repeated
Slash and burn
A method of agriculture in which existing vegetation is cut down and burned off before new seeds are sown; often used when clearing land
Nomadic herding
A type of agriculture based on people moving their domesticated animals seasonally or as needed to allow the best grazing
Transhumance
The movement of herds between pastures at cooler, higher elevations during the summer months and lower elevations during the winter
Domestication
The deliberate effort to grow plants and raise animals, making plants and animals adapt to human demands and using selective breeding to develop desirable characteristics
Foragers
Small nomadic groups who had primarily plant-based diets and ate small animals or fish for protein
Agricultural hearth
An area where different groups began to domesticate plants and animals
Fertile Crescent
A hearth in Southwest Asia that forms an arc from the eastern Mediterranean coast up into what is now western Turkey and then south and east along the Tigris and Euphrates rivers to western parts of modern Iran
Columbian Exchange
The exchange of goods and ideas between the Americas, Europe, and Africa that began after Christopher Columbus landed in the Americas in 1492
First agricultural revolution
The shift from foraging for food to farming about 11,000 years ago, marking the beginning of agriculture
Second agricultural revolution
A change in farming practices, marked by new tools and techniques, that diffused from Britain and the Low Countries starting in the early 18th century
Enclosure system
A system in which communal lands were replaced by farms owned by individuals, and use of the land was restricted to the owner or tenants who rented the land from the owner
Third agricultural revolution
A shift to further mechanization in agriculture through the development of new technology and advances that began in the early 20th century and continues to the present-day
Genetically modified organisms
A plant or animal with specific characteristics obtained through the manipulation of its genetic makeup
Green revolution
Movement beginning in the 1950s and 1960s in which scientists used knowledge of genetics to develop new high-yield strains of grain crops