1. 
   Crop rotation
   growing crops of a specific family in different areas of the garden each year to avoid soil-borne diseases and nutrient depletion.
   Found op http://www.encyclo.co.uk/local/20003
   
   
2. 
   Crop Rotation
   Planting a succession of different crops on the same land rea as opposed to planting the same crop time after time.
   Found op http://www.epa.gov/OCEPAterms/
   
   
3. 
   crop rotation
   The practice of growing a sequence of different crops on the same land in successive years or seasons; done to replenish the soil, curb pests, etc.
   Found op http://ppathw3.cals.cornell.edu/glossary/Defs_C.htm
   
   
4. 
   Crop rotation
   A system of growing different vegetable crops on the same plot in consecutive years so that no one vegetable is grown in exactly the same spot more often that once in every 3 or 4 years
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
5. 
   Crop rotation
   Arable system in which a field is planted with different crops in a regular sequence over a set period of years. For example, a corn crop, which has high nitrogen demands, might be followed by a leguminous crop like peas or clover to restore the nitrogen to the soil. Crop rotation helps replenish nu...
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
6. 
   crop rotation
   the successive cultivation of different crops in a specified order on the same fields, in contrast to a one-crop system or to haphazard crop ... [6 related articles]
   Found op http://www.britannica.com/eb/a-z/c/161
   
   
7. 
   Crop rotation
   Planting the same field or areas of fields with different crops from year to year to reduce depletion of soil nutrients. A plant such as corn, tobacco, or cotton, which remove large amounts of nitrogen from the soil, is planted one year. The next year a legume such as soybeans, which add nitrogen to...
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
8. 
   Crop rotation
   Crop rotation is the practice of growing a series of dissimilar types of crops in the same area in sequential seasons. Crop rotation confers various benefits to the soil. A traditional element of crop rotation is the replenishment of nitrogen through the use of green manure in sequence with cereals...
   Found op http://en.wikipedia.org/wiki/Crop_rotation
   
   
9. 
   crop rotation
   The soil of an area that has the same plant in it year after year can become stripped of certain nutrients. To avoid this result, it is necessary to plant different species yearly. Planting species that require other nutrients or that can replenish the soil of a depleted nutrient ensures a healthy s...
   Found op http://www.daviddarling.info/encyclopedia/C/AE_crop_rotation.html
   
   
10. 
    Crop rotation
    Varying from year to year what is grown on a particular piece of land. This practice helps to avoid the build-up of pests and diseases specific to a particular crop. One crop may also put back into the soil nutrients taken out by another.
    Found op http://www.farm-direct.co.uk/shared/glossary.html
    
    
11. 
    crop rotation
    System of regularly changing the crops grown on a piece of land. The crops are grown in a particular order to utilize and add to the nutrients in the soil and to prevent the build-up of insect and fungal pests. Including a legume crop, such as peas or beans, in the rotation helps build up nitrate in...
    Found op http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0007037.html
    
    
12. 
    crop-rotation
    (Living things in their environment) a method used in farming where crops are rotated to different fields each year to maintain the nutrients in the soil
    Found op http://www.encyclo.co.uk/visitor-contributions.php
    
    

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