title
stringlengths
1
251
section
stringlengths
0
6.12k
text
stringlengths
0
716k
Agriculture
Origins
Origins The development of agriculture enabled the human population to grow many times larger than could be sustained by hunting and gathering. Agriculture began independently in different parts of the globe, and included a diverse range of taxa, in at least 11 separate centers of origin. Wild grains were collected ...
Agriculture
Civilizations
Civilizations thumb|right|upright=1.35|Map of the world showing approximate centers of origin of agriculture and its spread in prehistory. DNA studies have shown that agriculture was introduced in Europe by the expansion of the early farmers from Anatolia about 9,000 years ago. In Eurasia, the Sumerians started to li...
Agriculture
Revolution
Revolution thumb|Agricultural calendar, , from a manuscript of Pietro de Crescenzi In the Middle Ages, compared to the Roman period, agriculture in Western Europe became more focused on self-sufficiency. The agricultural population under feudalism was typically organized into manors consisting of several hundred or mor...
Agriculture
Types
Types thumb|Reindeer herds form the basis of pastoral agriculture for several Arctic and Subarctic peoples. Pastoralism involves managing domesticated animals. In nomadic pastoralism, herds of livestock are moved from place to place in search of pasture, fodder, and water. This type of farming is practiced in arid a...
Agriculture
Contemporary agriculture
Contemporary agriculture
Agriculture
Status
Status thumb|354x354px|Suitability for agriculture of land around the world (US Department of Agriculture, 1998) class=skin-invert-image|thumb|221x221px|Recent trends of employment in agriculture (including forestry and fishing) by region From the twentieth century onwards, intensive agriculture increased crop produc...
Agriculture
Workforce
Workforce class=skin-invert-image|thumb|Worldwide employment In agriculture, forestry and fishing in 2021 Agriculture provides about one-quarter of all global employment, more than half in sub-Saharan Africa and almost 60 percent in low-income countries. As countries develop, other jobs have historically pulled wor...
Agriculture
Women in agriculture
Women in agriculture Around the world, women make up a large share of the population employed in agriculture. This share is growing in all developing regions except East and Southeast Asia where women already make up about 50 percent of the agricultural workforce. Women make up 47 percent of the agricultural workforc...
Agriculture
Safety
Safety thumb|Rollover protection bar retrofitted to a mid-20th century Fordson tractor Agriculture, specifically farming, remains a hazardous industry, and farmers worldwide remain at high risk of work-related injuries, lung disease, noise-induced hearing loss, skin diseases, as well as certain cancers related to c...
Agriculture
Production
Production thumb|upright=1.6|Value of agricultural production, 2016 Overall production varies by country as listed. Largest countries by agricultural output (in nominal terms) according to IMF and CIA World Factbook, at peak level as of 2018 Largest countries by agricultural output according to UNCTAD at 2005 cons...
Agriculture
Crop cultivation systems
Crop cultivation systems thumb|left|Slash and burn shifting cultivation, Thailand Cropping systems vary among farms depending on the available resources and constraints; geography and climate of the farm; government policy; economic, social and political pressures; and the philosophy and culture of the farmer."Agric...
Agriculture
Livestock production systems
Livestock production systems thumb|Intensively farmed pigs Animal husbandry is the breeding and raising of animals for meat, milk, eggs, or wool, and for work and transport. Working animals, including horses, mules, oxen, water buffalo, camels, llamas, alpacas, donkeys, and dogs, have for centuries been used to hel...
Agriculture
Production practices
Production practices thumb|Tilling an arable field Tillage is the practice of breaking up the soil with tools such as the plow or harrow to prepare for planting, for nutrient incorporation, or for pest control. Tillage varies in intensity from conventional to no-till. It can improve productivity by warming the soil,...
Agriculture
Agricultural automation
Agricultural automation Different definitions exist for agricultural automation and for the variety of tools and technologies that are used to automate production. One view is that agricultural automation refers to autonomous navigation by robots without human intervention. Alternatively, it is defined as the accompl...
Agriculture
Effects of climate change on yields
Effects of climate change on yields thumb|upright=1.35|The sixth IPCC Assessment Report projects changes in average soil moisture at 2.0 °C of warming, as measured in standard deviations from the 1850 to 1900 baseline. Climate change and agriculture are interrelated on a global scale. Climate change affects agricult...
Agriculture
Crop alteration and biotechnology
Crop alteration and biotechnology
Agriculture
Plant breeding
Plant breeding thumb|left|Wheat cultivar tolerant of high salinity (left) compared with non-tolerant variety Crop alteration has been practiced by humankind for thousands of years, since the beginning of civilization. Altering crops through breeding practices changes the genetic make-up of a plant to develop crops ...
Agriculture
Genetic engineering
Genetic engineering thumb|Genetically modified potato plants (left) resist virus diseases that damage unmodified plants (right). Genetically modified organisms (GMO) are organisms whose genetic material has been altered by genetic engineering techniques generally known as recombinant DNA technology. Genetic enginee...
Agriculture
Environmental impact
Environmental impact
Agriculture
Effects and costs
Effects and costs upright|thumb|Water pollution in a rural stream due to runoff from farming activity in New Zealand Agriculture is both a cause of and sensitive to environmental degradation, such as biodiversity loss, desertification, soil degradation and climate change, which cause decreases in crop yield. Agricul...
Agriculture
Livestock issues
Livestock issues thumb|Farmyard anaerobic digester converts waste plant material and manure from livestock into biogas fuel. A senior UN official, Henning Steinfeld, said that "Livestock are one of the most significant contributors to today's most serious environmental problems". Livestock production occupies 70% of...
Agriculture
Land and water issues
Land and water issues thumb|440x440px|Countries with the highest share of water withdrawal by agriculture in total withdrawal. thumb|upright=1.1|Circular irrigated crop fields in Kansas. Healthy, growing crops of corn and sorghum are green (sorghum may be slightly paler). Wheat is brilliant gold. Fields of brown hav...
Agriculture
Pesticides
Pesticides thumb|Spraying a crop with a pesticide Pesticide use has increased since 1950 to 2.5 million short tons annually worldwide, yet crop loss from pests has remained relatively constant. The World Health Organization estimated in 1992 that three million pesticide poisonings occur annually, causing 220,000 de...
Agriculture
Contribution to climate change
Contribution to climate change thumb|World farm-gate greenhouse gas emissions by activity Agriculture contributes towards climate change through greenhouse gas emissions and by the conversion of non-agricultural land such as forests into agricultural land.Section 4.2: Agriculture's current contribution to greenhouse...
Agriculture
Effects of climate change on agriculture
Effects of climate change on agriculture Climate change put significant part of crops in danger already at 1.5 degrees of warming. While in North Anerica, Europe and central Asia the share of endangered crops is relatively little at this level of warming, in the Middle east and North Africa region for example, close...
Agriculture
Sustainability
Sustainability thumb|upright|Terraces, conservation tillage and conservation buffers reduce soil erosion and water pollution on this farm in Iowa. Current farming methods have resulted in over-stretched water resources, high levels of erosion and reduced soil fertility. There is not enough water to continue farming ...
Agriculture
Energy dependence
Energy dependence thumb|left|Mechanized agriculture: from the first models in the 1940s, tools like a cotton picker could replace 50 farm workers, at the price of increased use of fossil fuel. Since the 1940s, agricultural productivity has increased dramatically, due largely to the increased use of energy-intensive ...
Agriculture
Plastic pollution
Plastic pollution Plastic products are used extensively in agriculture, including to increase crop yields and improve the efficiency of water and agrichemical use. "Agriplastic" products include films to cover greenhouses and tunnels, mulch to cover soil (e.g. to suppress weeds, conserve water, increase soil tempera...
Agriculture
Disciplines
Disciplines
Agriculture
Agricultural economics
Agricultural economics thumb|In 19th century Britain, the protectionist Corn Laws led to high prices and widespread protest, such as this 1846 meeting of the Anti-Corn Law League. Agricultural economics is economics as it relates to the "production, distribution and consumption of [agricultural] goods and services"...
Agriculture
Agricultural science
Agricultural science thumb|An agronomist mapping a plant genome Agricultural science is a broad multidisciplinary field of biology that encompasses the parts of exact, natural, economic and social sciences used in the practice and understanding of agriculture. It covers topics such as agronomy, plant breeding and g...
Agriculture
Policy
Policy + Direct subsidies for animal products and feed by OECD countries in 2012, in billions of US dollars Product SubsidyBeef and veal 18.0Milk 15.3Pigs 7.3Poultry 6.5Soybeans 2.3Eggs 1.5Sheep 1.1 Agricultural policy is the set of government decisions and actions relating to domestic agriculture and imports of f...
Agriculture
See also
See also Aeroponics Agricultural aircraft Agricultural engineering Agricultural finance Agricultural robot Agroecology Agrominerals Building-integrated agriculture Contract farming Corporate farming Crofting Ecoagriculture Farmworker Food loss and waste Food security Hill farming List of documentary...
Agriculture
References
References
Agriculture
Cited sources
Cited sources
Agriculture
External links
External links Food and Agriculture Organization United States Department of Agriculture Agriculture material from the World Bank Group Category:Agronomy Category:Food industry
Agriculture
Table of Content
Short description, Etymology and scope, History, Origins, Civilizations, Revolution, Types, Contemporary agriculture, Status, Workforce, Women in agriculture, Safety, Production, Crop cultivation systems, Livestock production systems, Production practices, Agricultural automation, Effects of climate change on yields, C...
Aldous Huxley
short description
Aldous Leonard Huxley ( ; 26 July 1894 – 22 November 1963) was an English writer and philosopher.: "He was also a philosopher, mystic, social prophet, political thinker, and world traveler who had a detailed knowledge of music, medicine, science, technology, history, literature and Eastern religions.": "Huxley was a ph...
Aldous Huxley
Early life
Early life thumb|upright|right|English Heritage blue plaque at 16 Bracknell Gardens, Hampstead, London, commemorating Aldous, his brother Julian, and his father Leonard Huxley was born in Godalming, Surrey, England, on 26 July 1894. He was the third son of the writer and schoolmaster Leonard Huxley, who edited The C...
Aldous Huxley
Career
Career Huxley completed his first (unpublished) novel at the age of 17 and began writing seriously in his early twenties, establishing himself as a successful writer and social satirist. His first published novels were social satires, Crome Yellow (1921), Antic Hay (1923), Those Barren Leaves (1925), and Point Count...
Aldous Huxley
Contact with the Bloomsbury Group
Contact with the Bloomsbury Group thumb|upright=1.3|left|Bloomsbury Group members (July 1915). Left to right: Lady Ottoline Morrell (age 42); Maria Nys (age 15), who would become Mrs Huxley; Lytton Strachey (age 35); Duncan Grant (age 30); and Vanessa Bell (age 36) During the First World War, Huxley spent much of his...
Aldous Huxley
Life in the United States
Life in the United States In 1937, Huxley moved to Hollywood with his wife Maria, son Matthew Huxley, and friend Gerald Heard. Cyril Connolly wrote, of the two intellectuals (Huxley and Heard) in the late 1930s, "all European avenues had been exhausted in the search for a way forward – politics, art, science – pitchi...
Aldous Huxley
Late-in-life perspectives
Late-in-life perspectives Biographer Harold H. Watts wrote that Huxley's writings in the "final and extended period of his life" are "the work of a man who is meditating on the central problems of many modern men". Huxley had deeply felt apprehensions about the future the developed world might make for itself. From t...
Aldous Huxley
Spiritual views
Spiritual views For much of his life, Huxley described himself as agnostic, a word coined by his grandfather Thomas Henry Huxley, a scientist who championed the scientific method and was a major supporter of Darwin's theories. This is the definition he gave, “…it is wrong for a man to say that he is certain of the o...
Aldous Huxley
Psychedelic drug use and mystical experiences
Psychedelic drug use and mystical experiences In early 1953, Huxley had his first experience with the psychedelic drug mescaline. Huxley had initiated a correspondence with Doctor Humphry Osmond, a British psychiatrist then employed in a Canadian institution, and eventually asked him to supply a dose of mescaline; Os...
Aldous Huxley
Eyesight
Eyesight Differing accounts exist about the details of the quality of Huxley's eyesight at specific points in his life. Circa 1939, Huxley encountered the Bates method, in which he was instructed by Margaret Darst Corbett. In 1940, Huxley relocated from Hollywood to a ranchito in the high desert hamlet of Llano, Ca...
Aldous Huxley
Personal life
Personal life Huxley married on 10 July 1919 Maria Nys (10 September 1899 – 12 February 1955), a Belgian epidemiologist from Bellem, a village near Aalter, he met at Garsington, Oxfordshire, in 1919. They had one child, Matthew Huxley (19 April 1920 – 10 February 2005), who had a career as an author, anthropologist, ...
Aldous Huxley
Death
Death In 1960, Huxley was diagnosed with oral cancer and for the next three years his health steadily declined. On 4 November 1963, less than three weeks before Huxley's death, author Christopher Isherwood, a friend of 25 years, visited in Cedars Sinai Hospital and wrote his impressions: At home on his deathbed, una...
Aldous Huxley
Awards
Awards 1939: James Tait Black Memorial Prize 1959: American Academy of Arts and Letters Award of Merit . 1962: Companion of Literature
Aldous Huxley
Commemoration
Commemoration In 2021, Huxley was one of six British writers commemorated on a series of UK postage stamps issued by Royal Mail to celebrate British science fiction. One classic science fiction novel from each author was depicted, with Brave New World chosen to represent Huxley.
Aldous Huxley
Publications and adaptations
Publications and adaptations
Aldous Huxley
See also
See also List of peace activists
Aldous Huxley
References
References
Aldous Huxley
Citations
Citations
Aldous Huxley
Works cited
Works cited . Reprinted in Perspectives on Schoenberg and Stravinsky, revised edition, edited by Benjamin Boretz and Edward T. Cone. New York: W. W. Norton, 1972.
Aldous Huxley
Further reading
Further reading
Aldous Huxley
External links
External links Aldous Huxley full interview 1958: The Problems of Survival and Freedom in America Portraits at the National Portrait Gallery "Aldous Huxley: The Gravity of Light", a film essay by Oliver Hockenhull BBC discussion programme In our time: "Brave New World". Huxley and the novel. 9 April 2009. (Audi...
Aldous Huxley
Online editions
Online editions Category:1894 births Category:1963 deaths Category:20th-century English essayists Category:20th-century English novelists Category:20th-century English philosophers Category:20th-century English short story writers Category:20th-century mystics Category:Alumni of Balliol College, Oxford C...
Aldous Huxley
Table of Content
short description, Early life, Career, Contact with the Bloomsbury Group, Life in the United States, Late-in-life perspectives, Spiritual views, Psychedelic drug use and mystical experiences, Eyesight, Personal life, Death, Awards, Commemoration, Publications and adaptations, See also, References, Citations, Works cite...
Ada
Wiktionary
Ada may refer to:
Ada
Arts and entertainment
Arts and entertainment Ada or Ardor: A Family Chronicle, a novel by Vladimir Nabokov
Ada
Film and television
Film and television Ada, a character in 1991 movie Armour of God II: Operation Condor Ada... A Way of Life, a 2008 Bollywood musical by Tanvir Ahmed Ada (dog actor), a dog that played Colin on the sitcom Spaced Ada (1961 film), a 1961 film by Daniel Mann Ada TV, a television channel in Northern Cyprus Ada (2019 f...
Ada
Aviation
Aviation Ada Air, a regional airline based in Tirana, Albania Francisco C. Ada Airport, Saipan Island, Northern Mariana Islands IATA airport code for Adana Şakirpaşa Airport in Adana Province, Turkey
Ada
Places
Places
Ada
Africa
Africa Ada Foah, a town in Ghana Ada (Ghana parliament constituency) Ada, Osun, a town in Nigeria
Ada
Asia
Asia Ada, Karaman, a village in Karaman Province, Turkey Ada, Urmia, a village in West Azerbaijan Province, Iran
Ada
Europe
Europe Ada, Bosnia and Herzegovina, a village Ada Ciganlija or Ada, a river island artificially turned into a peninsula in Belgrade, Serbia Ada, Croatia, a village Ada, Serbia, a town and municipality
Ada
United States
United States Ada, Alabama, an unincorporated community Ada County, Idaho Ada, Kansas, an unincorporated community Ada, Minnesota, a city Ada, Ohio, a village Ada, Oklahoma, a city Ada, Oregon, an unincorporated community Ada Township, Dickey County, North Dakota Ada Township, Michigan Ada Township, Perkins C...
Ada
Elsewhere
Elsewhere Ada River (disambiguation), various rivers 523 Ada, an asteroid
Ada
Schools
Schools Ada High School (Ohio), US Ada Independent School District, Oklahoma, US Ada, the National College for Digital Skills, a further education college in Tottenham Hale, London
Ada
Science and technology
Science and technology Ada, the cryptocurrency of the Cardano blockchain platform List of storms named Ada
Ada
Biology
Biology Ada (plant), a genus of orchids Ada (protein), an enzyme induced by treatment of bacterial cells Adenosine deaminase, an enzyme involved in purine metabolism
Ada
Computing
Computing Ada (computer virus) Ada (programming language), programming language based on Pascal
Ada
Transportation
Transportation Ada-class corvette, a class of anti-submarine corvettes developed by Turkey Ada (ship), a wooden ketch, wrecked near Newcastle, New South Wales, Australia , a cargo vessel built for the London and South Western Railway
Ada
People
People Ada Lovelace (1815–1852), computer scientist sometimes regarded as the first computer programmer Ada (name), a feminine given name and a surname, including a list of people and fictional characters Ada of Caria (fl. 377 – 326 BCE), satrap of ancient Caria and adoptive mother of Alexander the Great
Ada
Other uses
Other uses Ada and Abere, a ceremonial sword of state in Yorubaland and surrounding regions of West Africa Ada Bridge, Belgrade, Serbia Ada (food), a traditional Kerala delicacy Ada Health, a German medical technology company Dangme language (ISO 639-2 and 639-3 code: ada), spoken in Ghana
Ada
See also
See also ADA (disambiguation) Ada regulon, an Escherichia coli adaptive response protein Adah (disambiguation) Adha (disambiguation) Ada'a, a woreda in the Oromia Region of Ethiopia Ade (disambiguation) USS Little Ada, a steamer captured by the Union Navy during the American Civil War
Ada
Table of Content
Wiktionary, Arts and entertainment, Film and television, Aviation, Places, Africa, Asia, Europe, United States, Elsewhere, Schools, Science and technology, Biology, Computing, Transportation, People, Other uses, See also
Aberdeen (disambiguation)
wiktionary
Aberdeen is a city in Scotland. Aberdeen may also refer to:
Aberdeen (disambiguation)
Places
Places
Aberdeen (disambiguation)
Africa
Africa Aberdeen, Sierra Leone Aberdeen, Eastern Cape, South Africa
Aberdeen (disambiguation)
Asia
Asia
Aberdeen (disambiguation)
Hong Kong
Hong Kong Aberdeen, Hong Kong, an area and town on southwest Hong Kong Island Aberdeen Channel, a channel between Ap Lei Chau (Aberdeen Island) and Nam Long Shan on the Hong Kong Island in Hong Kong Aberdeen Country Park, a country park in Hong Kong Island Aberdeen floating village, at Aberdeen Harbour, containin...
Aberdeen (disambiguation)
India
India Aberdeen Bazaar, a shopping centre in Port Blair, South Andaman Island
Aberdeen (disambiguation)
Sri Lanka
Sri Lanka Aberdeen Falls, a waterfall in Sri Lanka
Aberdeen (disambiguation)
Australia
Australia Aberdeen, New South Wales Aberdeen, South Australia, one of the early townships that merged in 1940 to create the town of Burra Aberdeen, Tasmania, a suburb of the City of Devonport
Aberdeen (disambiguation)
Caribbean
Caribbean Aberdeen, Jamaica, a town in Saint Elizabeth, Jamaica
Aberdeen (disambiguation)
Europe
Europe Aberdeen (Parliament of Scotland constituency) Aberdeen (UK Parliament constituency) 1832–1885 Aberdeen Burghs (UK Parliament constituency) 1801–1832 Aberdeen Central (Scottish Parliament constituency) Aberdeen Central (UK Parliament constituency) Aberdeen Donside (Scottish Parliament constituency) County...
Aberdeen (disambiguation)
North America
North America
Aberdeen (disambiguation)
Canada
Canada Aberdeen, community in the township of Champlain, Prescott and Russell County, Ontario Aberdeen, Abbotsford, a neighbourhood in the City of Abbotsford, British Columbia Aberdeen Centre, a shopping mall in Richmond, British Columbia Aberdeen, Grey County, Ontario Aberdeen, Kamloops, an area in the City of ...
Aberdeen (disambiguation)
United States
United States Aberdeen, Arkansas Aberdeen, Colorado Aberdeen, Florida Aberdeen, Georgia Aberdeen, Idaho Aberdeen, Ohio County, Indiana Aberdeen, Porter County, Indiana Aberdeen, Kentucky Aberdeen, Maryland Aberdeen Proving Ground, a United States Army facility located near Aberdeen, Maryland Aberdeen, Mass...
Aberdeen (disambiguation)
See also
See also New Aberdeen (disambiguation) Aberdeen City Council, the local authority body of the city in Scotland
Aberdeen (disambiguation)
Arts and entertainment
Arts and entertainment Aberdeen (2000 film), a 2000 Norwegian-British film Aberdeen (2014 film), a 2014 Hong Kong film Aberdeen (2024 film), a Canadian drama film directed by Ryan Cooper and Eva Thomas Aberdeen (band), an American rock band Aberdeen (song), by Cage The Elephant
Aberdeen (disambiguation)
Businesses and organisations
Businesses and organisations
Aberdeen (disambiguation)
Companies
Companies Aberdeen Group, Edinburgh, Scotland-based global investment company, formerly abrdn plc Aberdeen Asset Management (1983–2017), investment management company merged into Aberdeen Group plc Aberdeen Strategy and Research, Waltham, Massachusetts-based international marketing intelligence company, previously A...
Aberdeen (disambiguation)
Education
Education Aberdeen Business School, Robert Gordon University, Aberdeen, Scotland Aberdeen College, Aberdeen, Scotland Aberdeen Grammar School, Aberdeen, Scotland Aberdeen Hall, a university-preparatory school in Kelowna, British Columbia, Canada Aberdeen High School (disambiguation) University of Aberdeen, Aber...
Aberdeen (disambiguation)
Sports
Sports Aberdeen F.C., a Scottish professional football team Aberdeen L.F.C., a women's football team affiliated with Aberdeen F.C. Aberdeen GSFP RFC, an amateur rugby union club in Aberdeen, Scotland Aberdeen IronBirds, a Minor League Baseball team in Aberdeen, Maryland, U.S.
Aberdeen (disambiguation)
Transportation
Transportation Aberdeen Airport (disambiguation) Aberdeen station (disambiguation) Aberdeen Line, a British shipping company founded in 1825 Aberdeen (ship), the name of several ships
Aberdeen (disambiguation)
See also
See also Aberdeen Act Aberdeen Angus, a Scottish breed of small beef cattle Aberdeen Central (disambiguation) Aberdeen Gardens (disambiguation) Aberdeen Historic District (disambiguation) Aberdeen Hospital (disambiguation) Aberdeen Quarry, a granite quarry in Colorado Aberdonia (disambiguation) Battle of Ab...
Aberdeen (disambiguation)
Table of Content
wiktionary, Places, Africa, Asia, Hong Kong, India, Sri Lanka, Australia, Caribbean, Europe, North America, Canada, United States, See also, Arts and entertainment, Businesses and organisations, Companies, Education, Sports, Transportation, See also