crop rotation system

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• Crop rotation — Fallow redirects here. For other uses, see Fallow (disambiguation). Satellite image of circular crop fields in late June 2001. Healthy, growing crops are green. Corn would be growing into leafy stalks by then. Sorghum, which resembles corn, grows …   Wikipedia

• crop rotation — n. a system of growing successive crops that have different food requirements, to prevent soil depletion, break up a disease cycle, etc …   English World dictionary

• crop rotation — crop′ rota tion n. agr. the system of varying successive crops in a definite order on the same ground, esp. to avoid depleting the soil and to control weeds, diseases, and pests • Etymology: 1905–10 …   From formal English to slang

• crop rotation — the system of varying successive crops in a definite order on the same ground, esp. to avoid depleting the soil and to control weeds, diseases, and pests. [1905 10] * * * Successive cultivation of different crops in a specified order on the same… …   Universalium

• Three-field crop rotation — From the end of the Middle Ages until the 20th century, the three year rotation or three field rotation was practiced by farmers in Europe with a rotation of rye or winter wheat, followed by spring oats or barley, then letting the soil rest… …   Wikipedia

• Crop yield — In agriculture, crop yield (also known as agricultural output ) is not only a measure of the yield of cereal per unit area of land under cultivation, yield is also the seed generation of the plant itself (e.g. one wheat grain produces a stalk… …   Wikipedia

• Crop — For other uses, see Crop (disambiguation). Domesticated plants …   Wikipedia

• rotation */ — UK [rəʊˈteɪʃ(ə)n] / US [roʊˈteɪʃ(ə)n] noun Word forms rotation : singular rotation plural rotations 1) a) [uncountable] movement in a circle around a fixed central point an increase in the speed of rotation b) [countable] a single movement in a… …   English dictionary

• rotation — ro|ta|tion [ rou teıʃn ] noun * 1. ) uncount movement in a circle around a fixed central point: an increase in the speed of rotation a ) count a single movement in a circle around a central point: a speed of 5,200 rotations per minute 2. )… …   Usage of the words and phrases in modern English

• Old Rotation — U.S. National Register of Historic Places …   Wikipedia

• open-field system — ▪ agriculture       basic community organization of cultivation in European agriculture for 2,000 years or more. Its best known medieval form consisted of three elements: individual peasant holdings in the form of strips scattered among the… …   Universalium