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Agricultural extension is the application of scientific research and new knowledge to
agricultural Agriculture encompasses crop and livestock production, aquaculture, and forestry for food and non-food products. Agriculture was a key factor in the rise of sedentary human civilization, whereby farming of domesticated species created f ...
practices through
farmer A farmer is a person engaged in agriculture, raising living organisms for food or raw materials. The term usually applies to people who do some combination of raising field crops, orchards, vineyards, poultry, or other livestock. A farmer ...
education Education is the transmission of knowledge and skills and the development of character traits. Formal education occurs within a structured institutional framework, such as public schools, following a curriculum. Non-formal education als ...
. The field of 'extension' now encompasses a wider range of communication and learning activities organized for
rural In general, a rural area or a countryside is a geographic area that is located outside towns and cities. Typical rural areas have a low population density and small settlements. Agricultural areas and areas with forestry are typically desc ...
people by educators from different disciplines, including
agriculture Agriculture encompasses crop and livestock production, aquaculture, and forestry for food and non-food products. Agriculture was a key factor in the rise of sedentary human civilization, whereby farming of domesticated species created ...
,
agricultural marketing Agricultural marketing covers the services involved in moving an agricultural product from the farm to the consumer. These services involve the planning, organizing, directing and handling of agricultural produce in such a way as to satisfy farm ...
,
health Health has a variety of definitions, which have been used for different purposes over time. In general, it refers to physical and emotional well-being, especially that associated with normal functioning of the human body, absent of disease, p ...
, and
business studies Business studies, often simply called business, is a field of study that deals with the principles of business, management, and economics. It combines elements of accountancy, finance, marketing, organizational studies, human resource manageme ...
. Extension practitioners can be found throughout the world, usually working for government agencies. They are represented by several professional organizations, networks and extension journals. Agricultural extension agencies in
developing countries A developing country is a sovereign state with a less-developed Secondary sector of the economy, industrial base and a lower Human Development Index (HDI) relative to developed countries. However, this definition is not universally agreed upon. ...
receive large amounts of support from
international development International development or global development is a broad concept denoting the idea that societies and countries have differing levels of economic development, economic or human development (economics), human development on an international sca ...
organizations such as the
World Bank The World Bank is an international financial institution that provides loans and Grant (money), grants to the governments of Least developed countries, low- and Developing country, middle-income countries for the purposes of economic development ...
and the
Food and Agriculture Organization The Food and Agriculture Organization of the United Nations; . (FAO) is a specialized agency of the United Nations that leads international efforts to defeat hunger and improve nutrition and food security. Its Latin motto, , translates ...
of the United Nations.


Extension terminology

The use of the word 'extension' originated in England in 1866. Modern extension began in Dublin, Ireland in 1847 with Lord Clarendon's itinerant instructors during the Great Famine. It expanded in Germany in the 1850s, through the itinerant agricultural teachers called ''Wanderlehrer,'' and later in the United States via the cooperative extension system authorized by the Smith-Lever Act of 1914. The term was later adopted in the USA, while in Britain it was replaced with "advisory service" in the 20th century. A number of other terms are used in different parts of the world to describe the same or similar concept: * Arabic: ''Al-Ershad'' ("guidance") * Bengali: ''সম্প্রসারণ'' (shomprosharon 'extension') * Dutch: ''Voorlichting'' ("lighting the path") * German: ''Beratung'' ("advisory work") * French: ''Vulgarisation'' ("popularization") * Italian: ''Assistenza tecnica e divulgazione agricola'' ("agricultural technical assistance and popularization") * Spanish: ''Capacitación'' ("training", "capacity building") * Thai, Lao: ''Song-Suem'' ("to promote") * Persian: ''Tarvij'' & ''Gostaresh'' ("to promote and to extend") - ترویج و گسترش * Hindi: ''vistaar ("''to extend"'')-'' विस्तार * Somali: ''hormarin & ballaarin' ("to promote and extend") In the US, an extension agent is a university employee who develops and delivers educational programs to assist people in
economic An economy is an area of the Production (economics), production, Distribution (economics), distribution and trade, as well as Consumption (economics), consumption of Goods (economics), goods and Service (economics), services. In general, it is ...
and
community development The United Nations defines community development as "a process where community members come together to take collective action and generate solutions to common problems." It is a broad concept, applied to the practices of civic leaders, activist ...
, leadership, family issues, agriculture and environment. Another program area provided by extension agents is
4-H 4-H is a U.S.-based network of youth organizations whose mission is "engaging youth to reach their fullest potential while advancing the field of youth development". Its name is a reference to the occurrence of the initial letter H four times ...
and youth activities. Many extension agents work for
cooperative extension service The Cooperative State Research, Education, and Extension Service (CSREES) was an Extension agency within the U.S. Department of Agriculture (USDA), part of the executive branch of the federal government. The 1994 Department Reorganization Act ...
programs at
land-grant universities A land-grant university (also called land-grant college or land-grant institution) is an institution of higher education in the United States designated by a state to receive the benefits of the Morrill Land-Grant Acts, Morrill Acts of 1862 and ...
. They are sometimes referred to as
county A county () is a geographic region of a country used for administrative or other purposesL. Brookes (ed.) '' Chambers Dictionary''. Edinburgh: Chambers Harrap Publishers Ltd, 2005. in some nations. The term is derived from the Old French denoti ...
agents, or extension educators. Often confused with extension agents, extension specialists are subject-matter experts usually employed as scientists and university professors in various departments in the land-grant university system. Subjects range from agriculture, life sciences, economics, engineering, food safety, pest management, veterinary medicine, and various other allied disciplines. These subject matter specialists work with agents (usually in a statewide or regional team environment) to support programs within the cooperative extension system.


Historical definitions

The examples given below are taken from a number of books on extension published over a period of more than 50 years: * 1949: The central task of extension is to help rural families help themselves by applying science, whether physical or social, to the daily routines of farming, homemaking, and family and community living. * 1965: Agricultural extension has been described as a system of out-of-school education for rural people. * 1966: Extension personnel have the task of bringing scientific knowledge to farm families in the farms and homes. The object of the task is to improve the efficiency of agriculture. * 1973: Extension is a service or system which assists farm people, through educational procedures, in improving farming methods and techniques, increasing production efficiency and income, bettering their standard of living and lifting social and educational standards. * 1974: Extension involves the conscious use of communication of information to help people form sound opinions and make good decisions. * 1982: Agricultural Extension: Assistance to farmers to help them identify and analyze their production problems and become aware of the opportunities for improvement. * 1988: Extension is a professional communication intervention deployed by an institution to induce change in voluntary behaviors with a presumed public or collective utility. * 1997: Extension is the organized exchange of information and the deliberate transfer of skills. * 1999: The essence of agricultural extension is to facilitate interplay and nurture synergies within a total information system involving agricultural research, agricultural education and a vast complex of information-providing businesses. * 2004: Extension is a series of embedded communicative interventions that are meant, among other goals, to develop and/or induce innovations which help to resolve (usually multi-actor) problematic situations. * 2006: Extension is the process of enabling change in individuals, communities and industries involved in the primary industry sector and in natural resource management.


History


Origins of agricultural extension

It is not known where or when the first extension activities took place. It is known, however, that Chinese officials were creating agricultural policies, documenting practical knowledge, and disseminating advice to farmers at least 2,000 years ago. For example, in approximately 800 BC, the minister responsible for agriculture under one of the
Zhou dynasty The Zhou dynasty ( ) was a royal dynasty of China that existed for 789 years from until 256 BC, the longest span of any dynasty in Chinese history. During the Western Zhou period (771 BC), the royal house, surnamed Ji, had military ...
emperors organized the teaching of
crop rotation Crop rotation is the practice of growing a series of different types of crops in the same area across a sequence of growing seasons. This practice reduces the reliance of crops on one set of nutrients, pest and weed pressure, along with the pro ...
and drainage to farmers. The minister also leased equipment to farmers, built grain stores and supplied free food during times of famine. The birth of the modern extension service has been attributed to events that took place in Ireland in the middle of the 19th century. Between 1845–51 the Irish potato crop was destroyed by fungal diseases and a severe famine occurred. The British Government arranged for "practical instructors" to travel to rural areas and teach small farmers how to cultivate alternative crops. This scheme attracted the attention of government officials in Germany, who organized their own system of traveling instructors. By the end of the 19th century, the idea had spread to Denmark, Netherlands, Italy, and France. The term "university extension" was first used by the Universities of
Cambridge Cambridge ( ) is a List of cities in the United Kingdom, city and non-metropolitan district in the county of Cambridgeshire, England. It is the county town of Cambridgeshire and is located on the River Cam, north of London. As of the 2021 Unit ...
and
Oxford Oxford () is a City status in the United Kingdom, cathedral city and non-metropolitan district in Oxfordshire, England, of which it is the county town. The city is home to the University of Oxford, the List of oldest universities in continuou ...
in 1867 to describe teaching activities that extended the work of the institution beyond the campus. Most of these early activities were not, however, related to agriculture. It was not until the beginning of the 20th century, when colleges in the United States started conducting demonstrations at agricultural shows and giving lectures to farmer’s clubs, that the term "extension service" was applied to the type of work that we now recognize by that name. In the United States, the
Hatch Act of 1887 The Hatch Act of 1887 (ch. 314, , enacted 1887-03-02, et seq.) gave federal funds, initially $15,000 each, to state land-grant colleges in order to create a series of agricultural experiment stations, as well as pass along new information, e ...
established a system of
agricultural experiment station An agricultural experiment station (AES) or agricultural research station (ARS) is a scientific research center that investigates difficulties and potential improvements to food production and agribusiness. Experiment station scientists work with ...
s in conjunction with each state's
land-grant university A land-grant university (also called land-grant college or land-grant institution) is an institution of higher education in the United States designated by a state to receive the benefits of the Morrill Land-Grant Acts, Morrill Acts of 1862 and ...
, and the Smith-Lever Act of 1914 created a system of
cooperative extension The Cooperative State Research, Education, and Extension Service (CSREES) was an Extension agency within the U.S. Department of Agriculture (USDA), part of the executive branch of the federal government. The 1994 Department Reorganization Act ...
to be operated by those universities in order to inform people about current developments in agriculture, home economics, and related subjects. In 1966 the
National Sea Grant College Program The National Sea Grant College Program is a program of the National Oceanic and Atmospheric Administration (NOAA) within the U.S. Department of Commerce. It is a national network of 34 university-based Sea Grant programs involved in scientific ...
was established and Bill Wick developed the first Marine Advisory Program in
Oregon Oregon ( , ) is a U.S. state, state in the Pacific Northwest region of the United States. It is a part of the Western U.S., with the Columbia River delineating much of Oregon's northern boundary with Washington (state), Washington, while t ...
using the Extension model. The first Marine Extension agent was Bob Jacobsen, and was known as "an agricultural agent in hip-boots


Four generations of extension in Asia

The development of extension services in modern Asia has differed from country to country. Despite the variations, it is possible to identify a general sequence of four periods or "generations":NAFES (2005) ''Consolidating Extension in the Lao PDR'', National Agricultural and Forestry Extension Service, Vientiane * Colonial agriculture: Experimental stations were established in many Asian countries by the Colonialism, colonial powers. The focus of attention was usually on export crops such as
rubber Rubber, also called India rubber, latex, Amazonian rubber, ''caucho'', or ''caoutchouc'', as initially produced, consists of polymers of the organic compound isoprene, with minor impurities of other organic compounds. Types of polyisoprene ...
, tea, cotton, and sugar. Technical advice was provided to
plantation Plantations are farms specializing in cash crops, usually mainly planting a single crop, with perhaps ancillary areas for vegetables for eating and so on. Plantations, centered on a plantation house, grow crops including cotton, cannabis, tob ...
managers and large landowners. Assistance to small farmers who grew subsistence crops was rare, except in times of crisis. * Diverse top-down extension: After independence, commodity-based extension services emerged from the remnants of the colonial system, with production targets established as part of five-year development plans. In addition, various schemes were initiated to meet the needs of small farmers, with support from foreign donors. * Unified top-down extension: During the 1970s and 1980s, the Training and Visit system (T&V) was introduced by the
World Bank The World Bank is an international financial institution that provides loans and Grant (money), grants to the governments of Least developed countries, low- and Developing country, middle-income countries for the purposes of economic development ...
. Existing organizations were merged into a single national service. Regular messages were delivered to groups of farmers, promoting the adoption of "
Green Revolution The Green Revolution, or the Third Agricultural Revolution, was a period during which technology transfer initiatives resulted in a significant increase in crop yields. These changes in agriculture initially emerged in Developed country , devel ...
" technologies. * Diverse bottom-up extension: When World Bank funding came to an end, the T&V system collapsed in many countries, leaving behind a patchwork of programs and projects funded from various other sources. The decline of central planning, combined with a growing concern for
sustainability Sustainability is a social goal for people to co-exist on Earth over a long period of time. Definitions of this term are disputed and have varied with literature, context, and time. Sustainability usually has three dimensions (or pillars): env ...
and equity, has resulted in participatory methods gradually replacing top-down approaches. The fourth generation is well established in some countries, while it has only just begun in other places. While it seems likely that participatory approaches will continue to spread in the next few years, it is impossible to predict the long-term future of extension. Compared to 20 years ago, agricultural extension now receives considerably less support from donor agencies. Among academics working in this field, some have recently argued that agricultural extension needs to be reinvented as a professional practice.Leeuwis, C. and van den Ban, A. ''Communication for Rural Innovation: Rethinking Agricultural Extension'' (3rd Edition), Blackwell Publishing Other authors have abandoned the idea of extension as a distinct concept and prefer to think in terms of "knowledge systems" in which farmers are seen as experts rather than adopters. Aspects of future extension education: *Evolution of extension system and
operationalisation In research design, especially in psychology, social sciences, life sciences and physics, operationalization or operationalisation is a process of defining the measurement of a phenomenon which is not directly measurable, though its existence is i ...
of approaches *Future extension education initiatives *Collegiate participation of farmers *Web enabled technology dissemination *Developing cases as tools for technology dissemination *Agriculture as a profitable venture *Scaling up of group mobilization *
Micro-enterprise A micro-enterprise (or microenterprise) is generally defined as a small business employing nine people or fewer, and having a balance sheet or turnover less than a certain amount (e.g. euro, €2 million or Philippine peso, PhP 3 million). The ter ...
s promotion Several of the institutional innovations that have come up in response to the weaknesses in public research and extension system have given enough indications of the emergence of an agricultural innovation system in India. This has resulted in the blurring of the clearly demarcated institutional boundaries between research, extension, farmers, farmers' groups, NGOs and private enterprises. Extension should play the role of facilitating the access to and transfer of knowledge among the different entities involved in the innovation system and create competent institutional modes to improve the overall performance of the innovation system. Inability to play this important role would further marginalize extension efforts.


Communication processes

The term "extension" has been used to cover widely differing
communication Communication is commonly defined as the transmission of information. Its precise definition is disputed and there are disagreements about whether Intention, unintentional or failed transmissions are included and whether communication not onl ...
systems. Two particular issues help to define the type of extension: how communication takes place, and why it takes place. The related but separate field of
agricultural communication Agricultural communication, or agricultural communications, is a field that focuses on communication about agriculture-related information among agricultural stakeholders and between agricultural and non-agricultural stakeholders and is part of a l ...
has emerged to contribute to in-depth examinations of the communication processes among various actors within and external to the agricultural system. This field refers to the participatory extension model as a form of public relations-rooted two-way symmetric communication based on mutual respect, understanding, and influence between an organization and its stakeholders. Agricultural communication can take three modes—face-to-face training, training "products" such as manuals and videos, or information and communication technologies (ICTs), such as radio and short message system (SMS). The most effective systems facilitate two-way communication and often combine different modes.


Four paradigms of agricultural extension

Any particular extension system can be described in terms of both how communication takes place and why it takes place. It is not the case that paternalistic systems are always persuasive, nor is it the case that participatory projects are necessarily educational. Instead, there are four possible combinations, each of which represents a different extension paradigm, as follows: * Technology transfer (persuasive + paternalistic): This paradigm was prevalent in colonial times and reappeared in the 1970s and 1980s when the "Training and Visit" system was established across Asia. Technology transfer involves a top-down approach that delivers specific recommendations to farmers about the practices they should adopt. * Advisory work (persuasive + participatory): This paradigm can be seen today where government organizations or private consulting companies respond to farmers' inquiries with technical prescriptions. It also takes the form of projects managed by donor agencies and NGOs that use participatory approaches to promote predetermined packages of technology. * Human resource development (educational + paternalistic): This paradigm dominated the earliest days of extension in Europe and North America, when universities gave training to rural people who were too poor to attend full-time courses. It continues today in the outreach activities of colleges around the world. Top-down teaching methods are employed, but students are expected to make their own decisions about how to use the knowledge they acquire. * Facilitation for
empowerment Empowerment is the degree of autonomy and self-determination in people and in communities. This enables them to represent their interests in a responsible and self-determined way, acting on their own authority. It is the process of becoming strong ...
(educational + participatory): This paradigm involves methods such as
experiential learning Experiential learning (ExL) is the process of learning through experience, and is more narrowly defined as "learning through reflection on doing". Hands-on learning can be a form of experiential learning, but does not necessarily involve students ...
and farmer-to-farmer exchanges. Knowledge is gained through interactive processes and the participants are encouraged to make their own decisions. The best known examples in Asia are projects that use Farmer Field Schools (FFS) or
participatory technology development Participatory technology development (PTD) is an approach to learning and innovation that is used in international development as part of projects and programmes relating to sustainable agriculture. The approach involves collaboration between resear ...
(PTD). There is some disagreement about whether or not the concept and name of 'extension' really encompasses all four paradigms. Some experts believe that the term should be restricted to persuasive approaches, while others believe it should only be used for educational activities.
Paulo Freire Paulo Reglus Neves Freire (19 September 1921 – 2 May 1997) was a Brazilian educator and philosopher whose work revolutionized global thought on education. He is best known for ''Pedagogy of the Oppressed'', in which he reimagines teaching ...
has argued that the terms ‘extension’ and ‘participation’ are contradictory.Freire, P. (1969) ''Extension y Comunicacion'', translated by Louise Bigwood & Margaret Marshall and re-printed in 'Education: The Practice of Freedom' (1976), Writers and Readers Publishing Cooperative There are philosophical reasons behind these disagreements. From a practical point of view, however, communication processes that conform to each of these four paradigms are currently being organized under the name of extension in one part of the world or another. Pragmatically, if not ideologically, all of these activities are considered to be represented in agricultural extension.


See also

*
Cooperative extension service The Cooperative State Research, Education, and Extension Service (CSREES) was an Extension agency within the U.S. Department of Agriculture (USDA), part of the executive branch of the federal government. The 1994 Department Reorganization Act ...
*
Diffusion of innovations Diffusion of innovations is a theory that seeks to explain how, why, and at what rate new ideas and technology spread. The theory was popularized by Everett Rogers in his book ''Diffusion of Innovations'', first published in 1962. Rogers argue ...
* Extension agency * Farmer Field School * Farmer Research Committee * Home demonstration clubs *
Participatory technology development Participatory technology development (PTD) is an approach to learning and innovation that is used in international development as part of projects and programmes relating to sustainable agriculture. The approach involves collaboration between resear ...
*
Participatory video Participatory video (PV) is a form of participatory media in which a group or community creates their own film. The idea behind this is that making a video is easy and accessible, and is a great way of bringing people together to explore issues, voi ...
* Spore (agricultural publication) * Krishi Vigyan Kendra


References


External links


Extension pages at the Food and Agriculture Organization (FAO)

Extension at the National Institute of Food and Agriculture

Extension education
{{Authority control Agriculture International development Rural community development