Chapter 10 Flashcards
Agricultural revolution
The time when human beings first domesticated plants and animals and no longer relied on hunting and gathering
Agribusiness
Commercial agriculture characterized by the integration of different steps in the food processing industry, usually through ownership by large corporations
Agriculture
The deliberate effort to modify a portion of earth’s surface through the cultivation of crops and raising of livestock for sustenance or economic gain
Aquaculture
The cultivation of seafood under controlled conditions
Cereal grain
A grass that yields grain for food
Chaff
Husks of grain separated from the seed by threshing
Combine
A machine that reaps, threshes, and cleans grain while moving over a field
Commercial agriculture
Agriculture undertaken primarily to generate products to sell them off the farm
Crop
Any plant gathered from a field as a harvest during a particular season
Crop rotation
The practice of rotating use of different fields from crop to crop each year to avoid exhausting the soil
Desertification
Degradation if land, especially in the semi arid areas, primarily because of human actions such as excessive crop planting
Dietary energy consumption
The amount of food an individual consumes, measured in kilocalories ( calories in the United States)
Double cropping
Harvesting twice a year from the same field
Food security
Physical, social, and economic access at all times to safe and nutritious food sufficient to meet dietary needs and food preferences for an active and healthy life
Grain
Seed of a cereal grass
Green revolution
Rapid diffusion of new agricultural technology, especially new high yield seeds and fertilizers