crop rotation
crop rotation An agricultural practice in which different crops are cultivated in succession on the same area of land over a period of time so as to maintain soil fertility and reduce the adverse effects of pests. Legumes are important in the rotation as they are a source of nitrogen for the soil (see
nitrogen fixation;
root nodule). In the UK, other crops that may be included in a typical four-stage rotation are wheat, barley, and root crops. However, the use of pesticides enables the monoculture of crops in modern farming systems (see
agriculture).
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Residual effects of cotton-based crop rotations on soil properties of irrigated Vertosols in central-western and north-western New South Wales.
Magazine article from: Australian Journal of Soil Research; 8/1/2006; ; 700+ words
; ...about by the different rotation crops. Research on the residual effects of crop rotations in other soil types...that the longer a crop rotation is in place, the more...yields of subsequent crops. In addition to yield...residual effects of crop rotations most ...
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Sowing wheat or field pea as rotation crops after irrigated cotton in a grey Vertosol.(Statistical Data Included)
Magazine article from: Australian Journal of Soil Research; 9/1/1999; ; 700+ words
; ...sown as rotation crops after cotton on soil...under wheat-cotton rotations increased with time...field pea-cotton rotation. Soil chemical fertility...tillage, retention of crop residues, and cropping...the following cotton crop, and increased yield...the favoured rotation ...
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Rotation crops for irrigated cotton in a medium-fine, self-mulching, grey Vertosol.(Statistical Data Included)
Magazine article from: Australian Journal of Soil Research; 3/1/2001; ; 700+ words
; ...also believed that crop diversity contributes...cotton growers sow rotation crops after irrigated...assuming that these crops will improve soil...the most common crop sown in rotation...sowing leguminous rotation crops than non-leguminous...cotton-rotation ...
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A review of the changes in soil quality and profitability accomplished by sowing rotation crops after cotton in Australian Vertosols from 1970 to 2006.(Report)
Magazine article from: Australian Journal of Soil Research; 3/1/2008; ; 700+ words
; ...management systems, and sowing crop rotations (Karlen et al. 1992...sequences sown in a 1 : 1 rotation as being able to sustain lint...phase of research on cotton rotations was initiated during the early...identifying sustainable cotton--rotation crop sequences, viz. crop...
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Profit and Variance Analysis of Cotton Production Technologies and Rotation Crops in Georgia
Magazine article from: Journal of Agricultural and Applied Economics; 12/1/2003; ; 700+ words
; ...whole farm. Field crop farms typically produce crops that are components of a suitable rotation program. Since these crops are produced simultaneously...allocation among rotation crops. The objective of...optimal allocation of crop acreage for cotton...
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ARS improves yields in 100-year-old experiment; the 106th cotton crop grown on the Old Rotation--the world's oldest cotton experiment.(United States Agricultural Research Service)
Magazine article from: Agricultural Research; 5/1/2003; ; 700+ words
; ...state if farmers used crop rotations that included legume cover crops in winter. That experiment...known as the Old Rotation--is still going...experiment that use crop rotation have always raised...yield some, but the rotations really improve yield...tillage is used. ...
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Playing the field: new resource helps potato farmers decide on the right crop rotations.
Magazine article from: Agricultural Research; 12/1/2005; ; 700+ words
; ...information to develop profitable crop rotations." Not only can the right rotation bring growers additional income...nutrient content, and boosting crop productivity--all while reducing use of chemicals. Crops That Complement "Their needs...years of research with various rotations, ...
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ECONOMIC POTENTIAL OF SHORT-ROTATION WOODY CROPS ON AGRICULTURAL LAND FOR PULP FIBER PRODUCTION IN THE UNITED STATES.
Magazine article from: Forest Products Journal; 5/1/2000; ; 700+ words
; ...consequences of growing short-rotation woody crops on agricultural lands...short-rotation woody crop, annually produces 4...short-rotation woody crop production causes reallocation...short-rotation woody crop production reduces the...short-rotation woody ...
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Rotation, variety are keys to preventing crop disease
Newspaper article from: The Topeka Capital-Journal; 8/31/2000; ; 684 words
; ...University scientist said. "Crop rotation and selecting the right...pathologist Bob Bowden. "Crop rotation, particularly...advantages and drawbacks of crops that could be rotated...than following other crops. - Corn --- often...Combine liming with crop rotation where ...
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 "Western Mail (Cardiff, Wales)")
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Crop rotation.(Features)
Newspaper article from: Western Mail (Cardiff, Wales); 10/20/2007; 700+ words
; ...the face of accepted wisdom. Crop rotation, whereby a crop does not occupy the same ground...supplies of nitrogen, whereas root crops such as carrots, parsnips, turnips...remains in the soil to carry a root crop the following year. The general...
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Crop Rotation
Encyclopedia entry from: The Gale Encyclopedia of Science
...grain for storage; crops failed and people...experiment with different crop rotation schedules. By 1800...deforested land. Crop rotation fell out of favor...yield monoculture crops by applying newly...fertility by monoculture crops, have led many...natural practices like ...
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rotation of crops
Book article from: The Columbia Encyclopedia, Sixth Edition
rotation of crops agricultural practice of varying the crops on a piece of land in a planned...content of the soil, to increase crop yields, and to eradicate weeds...insects, and plant diseases. In a rotation, it is often desirable to alternate...
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crop rotation
Book article from: A Dictionary of World History
crop rotation The practice of growing different crops in different years on the same...diseases and pests specific to one crop. Crop rotation was widespread in Europe...fallow (i.e. not planted with crops), to allow the soil to ‘...
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rotation
Book article from: The Oxford Pocket Dictionary of Current English
...direction as the earth's rotation. ∎ (also crop ro·ta·...action or system of rotating crops. ∎ Forestry...as heads of department in rotation . ∎ a...training: she was completing a rotation in trauma surgery. ∎...
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root crop
Book article from: The Columbia Encyclopedia, Sixth Edition
root crop vegetable cultivated chiefly...and parsnip. All root crops have a large water content...are often desirable in a rotation of crops—beets and turnips...frequently so used. Root crops, especially beets, turnips...
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