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Controlled-environment agriculture (CEA) -- which includes indoor agriculture (IA) and vertical farming—is a technology-based approach toward food production. The aim of CEA is to provide protection from the outdoor elements and maintain optimal growing conditions throughout the development of the crop.
The percentage of Americans who live on a farm diminished from nearly 25% during the Great Depression to about 2% now, [8] and only 0.1% of the United States population works full-time on a farm. As the agribusiness lobby grows to near $60 million per year, [ 9 ] the interests of agricultural corporations remain highly represented.
Biological control agents such as these include predators, parasitoids, pathogens, and competitors. Biological control agents of plant diseases are most often referred to as antagonists. Biological control agents of weeds include seed predators, herbivores, and plant pathogens.
Agriculture encompasses crop and livestock production, aquaculture, and forestry for food and non-food products. [1] Agriculture was a key factor in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that enabled people to live in the cities.
The number of farms with more than 2,000 acres (810 ha) almost doubled between 1987 and 2012, while the number of farms with 200 acres (81 ha) to 999 acres (404 ha) fell over the same period by 44%. [12] Farm productivity increased in the United States from the mid-20th century until the late-20th century when productivity began to stall. [13]
Agrarian socialism emphasizes the social control, ownership, and utilization of the means of production (such as farms) in a rural society. Additionally, principles like community, sharing, and local ownership are emphasized under agrarian socialism.
Church Farm in Norfolk, England Typical plan of a medieval English manor, showing the use of field strips. A farm (also called an agricultural holding) is an area of land that is devoted primarily to agricultural processes with the primary objective of producing food and other crops; it is the basic facility in food production. [1]
Pest control can also be achieved via culling the pest animals — generally small- to medium-sized wild or feral mammals or birds that inhabit the ecological niches near farms, pastures or other human settlements — by employing human hunters or trappers to physically track down, kill and remove them from the area.