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'''Crop rotation''' or '''Crop sequencing''' is the practice of growing a series of dissimilar types of [[Crop (agriculture)|crops]] in the same area in sequential seasons for various benefits such as to avoid the build up of [[pathogens]] and pests that often occurs when one species is continuously cropped. Crop rotation also seeks to balance the fertility demands of various crops to avoid excessive depletion of soil nutrients. A traditional component of crop rotation is the replenishment of [[nitrogen]] through the use of [[green manure]] in sequence with cereals and other crops. It is one component of [[polyculture]]. Crop rotation can also improve [[soil structure]] and [[fertility (soil)|fertility]] by alternating deep-rooted and shallow-rooted plants. {{wp}}
