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shifting agriculture

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  • shifting agriculture — ▪ agriculture       system of cultivation that preserves soil fertility by plot (field) rotation, as distinct from crop rotation. In shifting agriculture a plot of land is cleared and cultivated for a short period of time; then it is abandoned… …   Universalium

  • shifting agriculture — /ʃɪftɪŋ ˈægrəkʌltʃə/ (say shifting agruhkulchuh) noun a form of agriculture in which an area of land is cleared and cultivated, and after a period of time abandoned for a fresh area, for a variety of reasons ranging from deliberate fallowing to… …  

  • Shifting cultivation — For methods, see slash and burn Shifting cultivation is an agricultural system in which plots of land are cultivated temporarily, then abandoned. This system often involves clearing of a piece of land followed by several years of wood harvesting… …   Wikipedia

  • Agriculture in Bhutan — has a dominant role in the economy of the country. In 2000, agriculture accounted for 35.9% of GDP of the nation.cite book author= Suresh Chandra Babu, Ashok Gulati title= Economic Reforms And Food Security: The Impact Of Trade And Technology in… …   Wikipedia

  • Agriculture in Haiti — Agriculture continued to be the mainstay of the economy of Haiti in the late 1980s; it employed approximately 66 percent of the labor force and accounted for about 35 percent of GDP and for 24 percent of exports in 1987 (see fig. 14). The role of …   Wikipedia

  • Agriculture in Madagascar — Traditional agricultureTraditional farming methods vary from one ethnic group or location to another, according to population density, climate, water supply, and soil. The most intensive form of cultivation is practiced among the Betsileo and… …   Wikipedia

  • Agriculture — General …   Wikipedia

  • Agriculture and Food Supplies — ▪ 2007 Introduction Bird flu reached Europe and Africa, and concerns over BSE continued to disrupt trade in beef. An international vault for seeds was under construction on an Arctic island. Stocks of important food fish species were reported… …   Universalium

  • agriculture, origins of — Introduction  the active production of useful plants or animals in ecosystems that have been created by people. Agriculture has often been conceptualized narrowly, in terms of specific combinations of activities and organisms wet rice production… …   Universalium

  • Agriculture in Laos — At least 5 million hectares of Laos s total land area of 23,680,000 hectares are suitable for cultivation. However, just 17 percent of the land area (between 850,000 and 900,000 hectares) is actually cultivated, less than 4 percent of the total… …   Wikipedia

  • Agriculture sur brûlis — Brûlis L agriculture sur brûlis (ou brulis[1]) est un système agraire qui existe depuis la préhistoire, dans lequel le transfert de fertilité se fait par le feu, éventuellement après une période de jachère longue (friche forestière). C est un… …   Wikipédia en Français

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