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Concept
Urban agriculture
Summary
Urban agriculture refers to various practices of cultivating, processing, and distributing food in urban areas. The term also applies to the area activities of animal husbandry, aquaculture, beekeeping, and horticulture in an urban context. Urban agriculture is distinguished from peri-urban agriculture, which takes place in rural areas at the edge of suburbs.
Urban agriculture can appear at varying levels of economic and social development. It can involve a movement of organic growers, "foodies" and "locavores," who seek to form social networks founded on a shared ethos of nature and community holism. These networks can develop by way of formal institutional support, becoming integrated into local town planning as a "transition town" movement for sustainable urban development. For others, food security, nutrition, and income generation are key motivations for the practice. In either case, the more direct access to fresh vegetable, fruit, and meat products that may be realised through urban agriculture can improve food security and food safety.
Some of the first evidence of urban agriculture comes from Mesopotamia. Farmers would set aside small plots of land for farming within the city's walls. (3500BC) In Persia's semi-desert towns, oases were fed through aqueducts carrying mountain water to support intensive food production, nurtured by wastes from the communities. In Machu Picchu, water was conserved and reused as part of the stepped architecture of the city, and vegetable beds were designed to gather sun in order to prolong the growing season.
The idea of supplemental food production beyond rural farming operations and distant imports is not new. It was used during war and depression times when food shortage issues arose, as well as during times of relative abundance. Allotment gardens emerged in Germany in the early 19th century as a response to poverty and food insecurity.
In 1893, citizens of a depression-struck Detroit were asked to use vacant lots to grow vegetables. They were nicknamed Pingree's Potato Patches after the mayor, Hazen S.
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Allotment (gardening)
An allotment (British English), or in North America, a community garden, is a plot of land made available for individual, non-commercial gardening or growing food plants, so forming a kitchen garden away from the residence of the user. Such plots are formed by subdividing a piece of land into a few or up to several hundred parcels that are assigned to individuals or families. Such parcels are cultivated individually, contrary to other community garden types where the entire area is tended collectively by a group of people.
Smallholding
A smallholding or smallholder is a small farm operating under a small-scale agriculture model. Definitions vary widely for what constitutes a smallholder or small-scale farm, including factors such as size, food production technique or technology, involvement of family in labor and economic impact. Smallholdings are usually farms supporting a single family with a mixture of cash crops and subsistence farming. As a country becomes more affluent, smallholdings may not be self-sufficient, but may be valued for the rural lifestyle.
Green wall
A green wall is a vertical built structure intentionally covered by vegetation. Green walls include a vertically applied growth medium such as soil, substitute substrate, or hydroculture felt; as well as an integrated hydration and fertigation delivery system. They are also referred to as living walls or vertical gardens, and widely associated with the delivery of many beneficial ecosystem services.
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