Organic food

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Organic vegetables at a farmers' market in Argentina.

Organic foods are made according to certain production standards. The use of conventional non-organic pesticides, insecticides and herbicides is greatly restricted and avoided as a last resort. However, contrary to popular belief, certain non-organic fertilisers are still used. If livestock are involved, they must be reared without the routine use of antibiotics and without the use of growth hormones, and generally fed a healthy diet. In most countries, organic produce may not be genetically modified.

Organic food production is a heavily regulated industry, distinct from private gardening. Currently, the European Union, the United States, Canada, Japan and many other countries require producers to obtain special certification in order to market food as "organic" within their borders. Most certifications allow some chemicals and pesticides to be used, so consumers should be aware of the standards for qualifying as "organic" in their respective locales.

Historically, organic farms have been relatively small family-run farms[1] — which is why organic food was once only available in small stores or farmers' markets. However, since the early 1990s organic food production has had growth rates of around 20% a year, far ahead of the rest of the food industry, in both developed and developing nations. As of April 2008, organic food accounts for 1-2% of food sales worldwide.

Contents

[edit] Meaning and origin of the term

In 1939, Lord Northbourne coined the term organic farming in his book Look to the Land (written in 1939, but published in 1940), out of his conception of "the farm as organism", to describe a holistic, ecologically-balanced approach to farming -- in contrast to what he called chemical farming, which relied on "imported fertility" and "cannot be self-sufficient nor an organic whole".[2] This is different than the classic use of the term "organic", to refer to a class of molecules that contain carbon, especially those involved in the chemistry of life.

[edit] Identifying organic food

Mixed organic bean sprouts
  • See also: Organic farming for information on the production of organic food.

Processed organic food usually contains only organic ingredients. If non-organic ingredients are present, at least a certain percentage of the food's total plant and animal ingredients must be organic (95% in the United States[3] and Australia) and any non-organically produced ingredients are subject to various agricultural requirements. Foods claiming to be organic must be free of artificial food additives, and are often processed with fewer artificial methods, materials and conditions, such as chemical ripening, food irradiation, and genetically modified ingredients.

They may also be required to be produced using energy-saving technologies and packaged using recyclable or biodegradable materials when possible.[citation needed]

Early consumers interested in organic food would look for non-chemically treated, fresh or minimally processed food. They mostly had to buy directly from growers: "Know your farmer, know your food" was the motto. Personal definitions of what constituted "organic" were developed through firsthand experience: by talking to farmers, seeing farm conditions, and farming activities. Small farms grew vegetables (and raised livestock) using organic farming practices, with or without certification, and the individual consumer monitored. As demand for organic foods continues to increase, high volume sales through mass outlets such as supermarkets are rapidly replacing the direct farmer connection. However, for supermarket consumers, food production is not easily observable, and product labeling, like "certified organic", is relied on. Government regulations and third-party inspectors are looked to for assurance. A "certified organic" label is usually the only way for consumers to know that a processed product is "organic".

[edit] Legal definition

The National Organic Program (run by the USDA) is in charge of the legal definition of organic in the United States and does organic certification.
Main article: Organic certification
See also: List of countries with organic agriculture regulation‎

To be certified organic, products must be grown and manufactured in a manner that adheres to standards set by the country they are sold in:

[edit] Environmental impact

Several surveys and studies have attempted to examine and compare conventional and organic systems of farming. The general consensus across these surveys[4][5] is that organic farming is less damaging for the following reasons:

  • Organic farms do not consume or release synthetic pesticides into the environment — some of which have the potential to harm soil, water and local terrestrial and aquatic wildlife.
  • Organic farms are better than conventional farms at sustaining diverse ecosystems, i.e., populations of plants and insects, as well as animals.
  • When calculated either per unit area or per unit of yield, organic farms use less energy and produce less waste, e.g., waste such as packaging materials for chemicals.

However, some critics of organic farming methods believe that organic farms require more land to produce the same amount of food as conventional farms (see 'Yield' section, below). They argue that if this is true, organic farms could potentially destroy the rainforests and wipe out many ecosystems.[6] [7]

A 2003 investigation by the Department for Environment Food and Rural Affairs in the UK found, similar to other reports, that organic farming "can produce positive environmental benefits", but that some of the benefits were decreased or lost when comparisons are made on "the basis of unit production rather than area".[8]

[edit] Yield

One study found a 20% smaller yield from organic farms using 50% less fertilizer and 97% less pesticide.[9] Studies comparing yields have had mixed results.[10] Supporters claim that organically managed soil has a higher quality[11] and higher water retention. This may help increase yields for organic farms in drought years.

One study from the Danish Environmental Protection Agency found that, area-for-area, organic farms of potatoes, sugar beet and seed grass produce as little as half the output of conventional farming.[12] Findings like these, and the dependence of organic food on manure from low-yield cattle, has prompted criticism from scientists that organic farming is environmentally unsound and incapable of feeding the world population.[13] Among these critics are Norman Borlaug, father of the "green revolution," and winner of the Nobel Peace Prize, who asserts that organic farming practices can at most feed 4 billion people, after expanding cropland dramatically and destroying ecosystems in the process.[14] Michael Pollan responds to this by pointing out that average yield of world agriculture is substantially lower than modern sustainable farming yields. Bringing average world yields up to modern organic levels could increase the worlds food supply by 50 % [15]

A 2007 study [16] compiling research from 293 different comparisons into a single study to assess the overall efficiency of the two agricultural systems has concluded that

organic methods could produce enough food on a global per capita basis to sustain the current human population, and potentially an even larger population, without increasing the agricultural land base (from the abstract)

The researchers also found that while in developed countries, organic systems on average produce 92% of the yield produced by conventional agriculture, organic systems produce 80% more than conventional farms in developing countries, because the materials needed for organic farming are more accessible than synthetic farming materials to farmers in some poor countries. On the other hand, communities that lack sufficient manure to replenish soils would struggle with organic farming, and the soil would degrade rapidly[17] .

[edit] Energy Efficiency

Some studies are also consistent in showing that organic farms are more energy efficient.[18]

[edit] Pesticides and farmers

There are studies detailing the effects and side effects of pesticides upon the health of farm workers.[19] Even when pesticides are used correctly, they still end up in the air and bodies of farm workers. Through these studies, organophosphate pesticides have become associated with acute health problems such as abdominal pain, dizziness, headaches, nausea, vomiting, as well as skin and eye problems.[20] In addition, there have been many other studies that have found pesticide exposure is associated with more severe health problems such as respiratory problems, memory disorders, dermatologic conditions,[21][22] cancer,[23] depression, neurologic deficits,[24][25] miscarriages, and birth defects.[26] Summaries of peer-reviewed research have examined the link between pesticide exposure and neurological outcomes and cancer in organophosphate-exposed workers.[27][28]

Imported fruits and vegetables from South America are more likely to contain high level of pesticides,[29] even pesticides banned for use in the United States.[30] Migratory birds, such as Swainson's hawks, have wintering grounds in Argentina where thousands of them were found dead from monocrotophos insecticide poisoning.

[edit] Pesticide residue

A study published in 2002 showed that "Organically grown foods consistently had about one-third as many residues as conventionally grown foods."[31][32]

Monitoring of pesticide residues in the United States is carried out by the Pesticide Data Program (part of USDA, which was created in 1990. It has since tested over 60 different types of food for over 400 different types of pesticides - with samples collected close to the point of consumption. Their most recent results found in 2005 that:

“ These data indicate that 29.5 percent of all samples tested contained no detectable pesticides [parent compound and metabolite(s) combined], 30 percent contained 1 pesticide, and slightly over 40 percent contained more than 1 pesticide. ”

—USDA, Pesticide Data Program[33]

Several studies corroborate this finding by having found that while 77 percent of conventional food carries synthetic pesticide residues, only about 25 percent of organic food does.[34][35][36][37][38][39][40][41][42][43]

A study published by the National Research Council in 1993 determined that for infants and children, the major source of exposure to pesticides is through diet.[44] A recent study in 2006 measured the levels of organophosphorus pesticide exposure in 23 schoolchildren before and after replacing their diet with organic food. In this study it was found that levels of organophosphorus pesticide exposure dropped dramatically and immediately when the children switched to an organic diet.[45] Food residue limits established by law are set specifically with children in mind and consider a child's lifetime ingestion of each pesticide.[46]

There are controversial data on the health implications of certain pesticides. For example, the herbicide Atrazine has been shown in some experiments to be a teratogen, causing demasculinization in male frogs exposed to small concentrations. Under the effects of Atrazine, male frogs were found to have greatly increased occurrences of either malformed gonads, or testicular gonads which contain non-degenerate eggs.[47] Effects were however significantly reduced in high concentrations, as is consistent with other teratogens affecting the endocrine system, such as estradiol.

Organic farming standards do not allow the use of synthetic pesticides, but they do allow the use of specific pesticides derived from plants. The most common organic pesticides, accepted for restricted use by most organic standards, include Bt, pyrethrum, and rotenone. Some organic pesticides, such as rotenone, have high toxicity to fish and aquatic creatures with some toxicity to mammals. It causes Parkinson's disease if injected into rats.[48]

The United States Environmental Protection Agency and state agencies periodically review the licensing of suspect pesticides, but the process of de-listing is slow. One example of this slow process is exemplified by the pesticide Dichlorvos, or DDVP, which as recently as the year 2006 the EPA proposed its continued sale. The EPA has almost banned this pesticide on several occasions since the 1970s, but it never did so despite considerable evidence that suggests DDVP is not only carcinogenic but dangerous to the human nervous system — especially in children.[49] The EPA "has determined that risks do not exceed levels of concern"[50], a study of longterm exposure to DDVP in rats showed no toxic effects.[51]

These concerns over the particular impact of pesticides on children have not gone unheeded. Fio360, an eco early-care center in Atlanta, GA, has even gone so far as to prepare organic foods for its clients' children.

[edit] Taste and nutritional value

Some studies have shown higher nutrient levels in organic fruit and vegetables compared with conventionally grown products.[52].

The most important study of organic food to date was completed in 2007[53] and found that organic fruit and vegetables contain up to 40% more antioxidants than conventional equivalents, and that the figure was 60% for organic milk. The 4-year study was funded by the European Union and was the largest of its kind ever undertaken.[54]

A 2001 study by researchers at Washington State University concluded, under judgement by a panel of tasters, that organic apples were sweeter. Along with taste and sweetness, the texture as well as firmness of the apples were also rated higher than those grown conventionally. These differences are attributed to the greater soil quality resulting from organic farming techniques compared to those of conventional farming.[55]

However in 2002 a meta-analysis (a review of all prior studies on the subject) had found no proof that organic food offered greater nutritional values, more consumer safety or any distinguishable difference in taste.[56][57][58][59]

[edit] Cost

Organic products typically cost 10 to 40% more than similar conventionally produced products.[60] Processed organic foods vary in price when compared to their conventional counterparts. An Australian study by Choice magazine in 2004 found processed organic foods in supermarkets to be 65% more expensive, but noted this was not consistent. Prices may be higher because organic produce is produced on a smaller scale, and may need to be milled or processed separately. Furthermore, there is an increase in shipping costs from more centralized production in otherwise regional markets. In the case of dairy and eggs, the animal's requirements such as the number of animals that can be raised per acre, or the breed of animal and its feed conversion ratio affects the cost.

[edit] Related movements

Community-supported agriculture (CSA) is an approach where members prepurchase "shares" in a season's harvest, and pick up their weekly portions from distribution sites. Thus, consumers provide direct financing for farms, participate in the risks and rewards of annual growing conditions, and distribute food directly from the farm.

Local food is buying food that was produced geographicly closer to the consumer. Local food is seen as a way to get fresher food and invest in one's own community.

The fair trade movement, based on the principle that social and environmental sustainability are inextricably interdependent, is often linked to organic food.

Biodynamic agriculture, a method of organic farming, is closely related to the organic food movement.

[edit] Beyond Organic

Beyond Organic is a concept aligned with the idea of creating sustainable and ecological systems of food production capable of transcending the standards currently affixed to foods and processes now categorized by the term "organic". Since the organic food movement has been increasingly industrialized and often forced to undergo processes similar to those of conventional agriculture (such as monocultural plantings on massive scales) due to market pressures, many members of the what was originally the organic food movement are demanding that new standards be established for sustainable organic foods. Many ardent supporters of organic foods are frustrated that the integrity of what constitutes "organic" foods and farming methods have been compromised by FDA legislation that allows for synthetics to be introduced into organic processed foods and other unsustainable industrial attributes associated with "organic" foods.[61]

[edit] Facts and statistics

Organic Seals
Image:Logo organic.png
International

United States
Image:Agriculture biologique-logo.png
France

Australia

While organic food accounts for 1–2% of total food sales worldwide, the organic food market is growing rapidly, far ahead of the rest of the food industry, in both developed and developing nations.

  • World organic food sales jumped from US $23 billion in 2002[62] to $40 billion in 2006.[63]
  • The world organic market has been growing by 20% a year since the early 1990s, with future growth estimates ranging from 10%-50% annually depending on the country.

[edit] North America

United States:
  • Organic food is the fastest growing sector of the American food marketplace[64] .
  • Organic food sales have grown by 17 to 20 percent a year for the past few years[65] while sales of conventional food have grown at only about 2 to 3 percent a year.[66]
  • In 2003 organic products were available in nearly 20,000 natural food stores and 73% of conventional grocery stores.[67]
  • Organic products account for 2.6% of total food sales in the year 2005.[68]
  • Two thirds of organic milk and cream and half of organic cheese and yogurt are sold through conventional supermarkets.[69]
Canada:
  • Organic food sales surpassed $1 billion in 2006, accounting for 0.9% of food sales in Canada.[70]
  • Organic food sales by grocery stores were 28% higher in 2006 than in 2005. [71]
  • British Columbians account for 13% of the Canadian population, but purchased 26% of the organic food sold in Canada in 2006. [72]

[edit] Europe

In the European Union (EU25) 3.9% of the total utilized agricultural area is used for organic production. The countries with the highest proportion of organic land are Austria (11%) and Italy (8.4), followed by Czech Republic and Greece (both 7.2%). The lowest figures are shown for Malta (0.1%), Poland (0.6%) and Ireland (0.8%)[73]

Austria:
  • 11.6% of all farmers produced organically in 2007.[74] The government has created incentives to increase the figure to 20% by 2010.[75]
  • 4.9% of all food products sold in Austrian supermarkets (including discount stores) in 2006 were organic.[76] 8000 different organic products were available in the same year.[77]
Italy:
  • Since 2005 all school lunches must be organic by law.[78]
Poland:
  • In 2005 168,000 ha of land were under organic management. 7 percent of Polish consumers buy food that was produced according to the EU-Eco-regulation. The value of the organic market is estimated at 50 million Euros (2006).[79]
UK:
  • Organic food sales increased from just over £100 million in 1993/94 to £1.21 billion in 2004 (an 11% increase on 2003).[80]

[edit] Caribbean

Cuba:
  • After the collapse of the Soviet Union in 1990, agricultural inputs that had previously been purchased from Eastern bloc countries were no longer available in Cuba, and many Cuban farms converted to organic methods out of necessity.[81] Consequently, organic agriculture is a mainstream practice in Cuba, while it remains an alternative practice in most other countries. Although some products called organic in Cuba would not satisfy certification requirements in other countries (crops may be genetically modified, for example[82][83]), Cuba exports organic citrus and citrus juices to EU markets that meet EU organic standards. Cuba's forced conversion to organic methods may position the country to be a global supplier of organic products.[84]

[edit] Organics Olympiad

Organics Olympiad 2007 awarded gold, silver and bronze medals to countries based on twelve measures of organic leadership.[85]. The gold medal winners were:
  • Australia with 11.8 million organic hectares.
  • Mexico with 83,174 organic farms.
  • Romania with 15.9 million certified wild organic hectares.
  • China with 135 thousand tonnes of organic wild harvest produce.
  • Denmark with 1805 organic research publications recorded.
  • Germany with 69 members of IFOAM.
  • China with an increase of 1,998,705 organic hectares.
  • Liechtenstein with 27.9% of its agricultural land certified organic.
  • Mali with an 8488% annual increase in its organic hectares.
  • Latvia with an annual 3.01% increase in its organic share of agricultural land.
  • Liechtenstein with a 10.9% 4-yearly increment of the organic share of its total agriculture.
  • Switzerland with a per capita annual spend on organic produce of 103 Euros.

[edit] See also

[edit] References

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[edit] Further reading

On Organics
On Conventional vs Organic Farming
  • Guthman, Julie (2004). Agrarian Dreams: The Paradox of Organic Farming in California. University of California Press. ISBN 0-520-24095-2. 
  • Hamilton, Denis; Crossley, Stephen (editors) (2004). Pesticide residues in food and drinking water. J. Wiley. ISBN 0-471-48991-3. 
  • Hond, Frank et.al. (2003). Pesticides: problems, improvements, alternatives. Blackwell Science. ISBN 0-632-05659-2. 
  • Watson, David H. (editor) (2004). Pesticide, veterinary and other residues in food. Woodhead Publishing. ISBN 1-85573-734-5. 
  • Wargo, John (1998). Our Children's Toxic Legacy: How Science and Law Fail to Protect Us from Pesticides. Yale University Press. ISBN 0-300-07446-8. 
  • Williams, Christine (2002). "Nutritional quality of organic food: shades of grey or shades of green?". Proceedings of the Nutrition Society: 19-24. 
Pesticides and food

[edit] External links

Retrieved from "http://en.wikipedia.org/wiki/Organic_food"
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