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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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crop rotation

crop rotation Practice of successively growing different crops on the same field. Rotated crops generally complement each other, each providing nutrients required by the others.

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