double-moldboard bottom

См. также в других словарях:

• plow — plowable, adj. plowability, n. plower, n. /plow/, n. 1. an agricultural implement used for cutting, lifting, turning over, and partly pulverizing soil. 2. any of various implements resembling or suggesting this, as a kind of plane for cutting… …   Universalium

• Lister — List er (l[i^]st [ e]r), n. [Cf. {List} a strip, border, prob. applied to the furrow or the ridge of earth along the furrow.] A double moldboard plow which throws a deep furrow, and at the same time plants and covers grain in the bottom of the… …   The Collaborative International Dictionary of English

• agricultural technology — Introduction       application of techniques to control the growth and harvesting of animal and vegetable products. Soil preparation       Mechanical processing of soil so that it is in the proper physical condition for planting is usually… …   Universalium

• List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …   Wikipedia

• Plough — Plow redirects here. For the Canadian soldier, see Edward Chester Plow. Plowman redirects here. For the surname, see Plowman (surname). Furrow redirects here. For other uses, see Furrow (disambiguation). For other uses, see Plough… …   Wikipedia

• 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

• Reynolds-Alberta Museum — The Reynolds Alberta Museum, in Wetaskiwin, Alberta, Canada, one of 18 provincially owned and operated historic sites and museums, honours the spirit of the machine . It traces the mechanisation of Alberta s transportation, aviation, agricultural …   Wikipedia

• technology, history of — Introduction       the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …   Universalium