The urban areas, land will turn out

The developing
countries are more produce of growing food compared to developed countries and
become the major factors how important of new spaces in the cities for urban
agriculture. In
developing countries urban agriculture plays an important role in improving
food security and the public health. There are various factors that will
determine whether urban agriculture will continue to grow or decrease in the
future. One of a major concern is the intrusion of urban sprawl.  In
rural and many urban areas, land will turn out progressively in the future. Climate change, population pressure and soil degradation will
lead to a decrease of available agricultural farming land, while the demand of
food will continue to rise.  ZFarming
does not use additional land for food production but exploits and redefines the
vast potential of unused urban spaces, such as vacant buildings or rooftops.
Integrating food production into the urban building stock represents an
innovative way to address the issues of lack of land and food security. By
merging food production and architecture, ZFarming contributes to
multifunctional buildings that offer a wide range of social and ecological
benefits. Major obstacles for constructing rooftop greenhouses are zoning
regulations, such as height limits and floor-to-area ratios. Rooftop
greenhouses are considered additional usable space, counting toward the
floor-to-area ratio in most cities.


spaces in the city for growing food

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ZFarming is used
for enhancing urban qualities. ZFarms on commercial, residential or mix use
buildings serve as recreational spaces where residents or employees can grow
their own food and enjoy a green oasis close to their homes or workplaces. The
idea of traditional green roofs is pushed one step further by combining it with
urban food growing. Farms are initiated either by real estate developers keen
on upgrading their site and capitalizing on the idea of a green, sustainable
and liveable building, or by businesses that want to improve their employees’
working environment. Since ‘digging in the soil’ is a key idea, these projects
are usually soil based. The produce is mostly for personal use, and sometimes
for use by an affiliated cafeteria.


urban living quality





role of ZFarming in urban food supply are different between developed and
developing countries. In developing countries, small scale roofs Gardening
plays an important role in feeding families or small community in depends of
certain area and help them to survive in the city. In developed countries, food security issues are
particularly relevant for low income neighbourhoods that lack retail facilities
offering fresh and healthy food. ZFarming in developed countries is aimed at
the qualitatively improve of food systems rather than to securing basic food
supplies for low income people. In the developed world, this is a major
difference from ground-based urban agriculture. ZFarming may effectively change
existing structural settings by targeting local markets, integrating agriculture
and food business into communities; generating local value-added products, and create
alternative supply chains with direct market links to consumers rather than
indirect links through wholesalers or processors.


objective for zfarming is serve for urban communities in urban areas. Zfarming
can be on the top of the building for food produce and ground-based to serve
for urban communities. Thus, ground-based urban farming certainly offers wider
access to fresh-grown food for urban communities. But assuming to further
expand of commercial, zfarming demands activities, and considering future
resource scarcity in growing urban areas, zfarming now is highly demands and
relevant for future urban food provision.


patterns of food supply


technologies cover from low-tech to high-tech technologies. Although the farms
at the roof are opens and operates with existing green roof technology or
standard raised beds, a greenhouse on the roof and indoors farms require more
sophisticated solutions. Implementing this technique in novel settings like
urban rooftops or vacant buildings both require and stimulate technical
progress. Each new ZFarm are improve knowledge of specific technology and
architecture. In addition, high-tech commercial ZFarming often involves high
investment and operating costs like energy cost for indoor farming, thereby
putting pressure on ZFarming pioneers to gain maximum efficiency in terms of
yields and energy and water savings. This pressure for efficiency drive technical
innovations, such as space-saving vertical hydroponic growing elements or
highly specialized plant growing lights for indoor growing. The comparison
between farming and buildings are not yet fully misused, probably because most
Z­Farms are integrated into existing buildings. Existing building
infrastructures are not necessarily compatible with the implementation of
energy loops or other resource-efficient systems. Since indoor farms and
rooftop greenhouses operate in a controlled environment, ZFarming may reduce
these risks. Furthermore, rooftop farms are farther away from roads than
ground-based farms or allotments. Studies suggest that the presence of barriers
between crop cultivation and roads reduces contamination risks.


farming method


Urban agriculture
can help contribute to decreasing the net release of CO2 emissions, one of the
gas that contributes to global warming, from activities in cities. If cities
are producing more food within their borders, bringing places of production and
markets closer to each other, the transport of products can be reduced; this will
contribute to reducing carbon emissions and other pollutant gases. Urban
agriculture is also a way to reducing the net discharge of CO2, because plants
and trees capture CO2. The captive capacity is at its highest in the development
period of vegetation. Through agricultural activities in cities, urban
ecosystems are kept persistently in their “primary production phase”; which
means that much more CO2 per surface area is captured than in natural systems
like tropical forests. In cities, however, much of the carbon stored in
vegetation is likely to be quickly released through decomposition of organic
matter and there may be little lasting benefit.


carbon emission


reason why urban farming in and on the buildings is gaining popularity is
because they can have all the advantages of urban conditions. It provides
enough sunlight, irrigation and privacy that the urban farmers need, and all
the facilities of an urban lifestyle that they want. Here is a list of
beneficial urban farming that can contribute to communities’ area:


idea of growing food indoors in buildings, high rise buildings or rooftop in the cities is
becoming very popular around the world because of the rapid urbanization and
limited farming space, and so,  urban farming is also becoming very popular.


Urban farming in and on the building or well-known
as zero-acreage farming could be one of the
easiest ways of growing our own food if we live in a high rise building. We could easily feed our friends and family as well as make some extra money. It’s possible to
grow food indoors in containers, on your patio, balcony, rooftops, and
virtually anywhere, where they have some extra

Beneficial urban farming in and on the building


a few urban communities, urban agriculture already has an important role in
improving food security and expanding the accessibility of dietary food for the
urban poor. They continuously to play a role in food security, however, the
encroachment of urban sprawl onto farm land must be avoided they say. There is great
potential for urban agriculture to play a greater role in food security if pollution
is reduced, sustainable farming practices are introduced and bans on urban
farming is withdrawn, but these challenges may be difficult to overcome in
developing countries due to the lack of the necessary infrastructure.


This article also
explains about the planners tend to think that urban food growing is a messy
business, and have little understanding of peoples need to grow food in cities.
But others perception based a few article related for hundreds of millions of
urban people, it is a vital component of their livelihoods and during hard
times it is an important survival strategy, and city dwellers are increasingly
trying to persuade planners to give them space for growing crops. This is true but
not only in developing countries, but also increasingly in the developed
countries, particularly in cities where unemployment is endemic. In addition,
many people like to take the chance to invest some portion of their energy
growing things as a leisure pursuit in the cities.


the situation of urban agriculture varies enormously amongst created and
creating nations. In cities in developed countries, urban agriculture is dominatingly
a recreational movement, instead of a dependable source of food. The cost of
urban farming is too great to provide in a variable alternative to the
supermarket. In developed cities food security is highly demanding, there is
little incentive for widespread adoption of urban farming. The productivity of
urban agriculture in developed countries will rely upon mechanical technologies
and relative food production costs. If food becomes costlier and supplies is
less secure, the advantages of urban agriculture may become more apparent.




As cities are grow, dietary are different. Most
of people who live in urban area are very demanding of diversity dietary,
including types of vegetables, fruits and meat, this type of foods are
increasingly consuming processed foods. These supply chain movements are
getting change and affecting all farmers from small to medium enterprises, and
consumers. A procedure has started, , which will continue for decades, that is
transforming the food systems from farm to fork.(Säumel
et al., 2012)


The major mission of urban agriculture based on
the author article is to feed the urban populations necessarily hinges on
estimations of how much food can be grown within a city area. The cities are
exploding by human growth in this worlds. Today, the more people are living in
urban areas than rural areas. More than 66 percent of the world’s people are
expected to live in cities by 2050, they very demanding for food for living
purposes. Especially in low- and middle-income countries like Asia, Africa, and
Latin America, to feeding urban populations has become an important and crucial
challenge. Despite their populations density, cities do have more potential for
food growing in that area.

Farming in the cities


There are other benefits to building integrated
agriculture. Placing greenery on otherwise hard rooftops, for instance, can
alleviate urban heat island effect (Yu, et al., 2008; Chen, et al., 2005).
Bringing production closer to consumption can reduce food miles, i.e. the
distance food travels in getting to the consumer’s plate (Severson, 2006),
which decreases carbon emissions due to transport. Land outside cities need not
be set aside for intensive commercial farming, which of itself has many
health-related, social and environmental consequences.


-Urban agriculture can be defined as co-locating
crop cultivation within the city boundaries and this is one of potential
strategy to those issues. By integrating of food production in and on the
buildings offers an avenue that does not impinge on the city`s many make uses
for available land


-on author article stated that there are several
crucial issues on that paper article will be several highlighted. First in
depth of conventional commercial farming techniques have brought on
irreversible damage to the land (Hillel, 1991); millions of hectares of
grasslands, wetlands and forest were degraded and the cost of affection most of
ecosystems have been damaged with significant loss of biodiversity (Wilson,
1992). The clearing of land for farming activities also effects of long-term
period carbon sequestration by other permanent wood plantations (Wiliams,
2003). Second, as the world population increases from the present 6.4 billion
to 8 billion by 2025 (salim, 2004), there`ll no longer be enough arable
farmland (United States Census Bureau, 2003). This raises the spectre of food
crises. The situation is aggravated by rampant urbanization because of more
land, previously used for agriculture, set aside to cope with growing cities.
The prediction that the proportion of the world’s population that lives in the
cities will increase from 47 percent in 2000 to 60 per cent by 2030 (United
Nations, 2001)


-A few developing countries in this world, they
are already concern about environmental issues especially in Hong Kong, the
promotion of sustainable environment especially on green roof have attracted a
lot of attention in recent years (Hui, 2009; Urbis Limited, 2007). They already
believed that green roofs can help mitigate the unfavourable outcomes of UHI in
the city and bring the nature back to the urban area. They not only can help to
lower the urban temperatures, but enhance aesthetics and urban psychology, as
well as lessen pollutant concentrations and noise (Hui, 2006)


-Nowadays, many cities especially in urban area
are dealing with problems of urban heat island (UHI) and lack of greenery
space. Some cities are seeking to improve sustainability by enhancing urban
greenery and promoting urban agriculture or farming (Mougeot, 2006; Smit Ratta
and (Nasr, 1996). By preparing a few technologies by installing green roof with
urban farming, its far feasible to obtain environmental, social and economic
sustainability for residents especially in urban cities due to fact it is able
to contribute to mitigation of environmental problems, enhancement of community
function and improve of city food systems (Bay Localize, 2007; Canadian CED
Network, 2007; Kisner, 2008; Kortright, 2001; Lim and Kishnani, 2010).