cover crop


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cover crop,

green temporary crop grown to prevent or reduce erosion and to improve the soil by building up its organic content. Green-manure crops, which are specifically grown for their organic content and other feature that enable them to improve the soil, but which may be composted before being incorporated into the soil, are usually classed as cover crops. In orchards a cover crop is sometimes used to check the growth of some fruits when they reach maturity by supplying a plant that will compete with the tree for the nutriment in the soil. Cover crops are often the first means used to rehabilitate land that has become run down as the result of poor farming practices and neglect. Leguminous plants (e.g., clovers, vetches, and soybeans) and nonleguminous (e.g., rye, barley, wheat, and turnips) are used. See also catch cropcatch crop,
any quick-growing crop sown between seasons of regular planting to make use of temporary idleness of the soil or to compensate for the failure of a main crop.
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References in periodicals archive ?
Weed composition in the un-weeded treatment was different from that of cover crop treatments.
An ideal cover crop suited to their cropping systems would provide adequate biomass levels with minimal rainfall and soil fertility, suppress weeds both in the cover crop and subsequent crop and conserve soil moisture.
100 acres rented out to 11 neighboring farmers, under contracts that they employ no-till and cover crops.
Cover crop biomass and N accumulation depend on the length of the growing season, local climate, and soil conditions [11].
This fallow period may help to break the cycle of any parasites that are potentially present, while allowing cover crops and native grasses to grow back.
Students were given Soil Ag Mags and read some of the daily facts and information from the calendar about the cover crops.
Otherwise, you'll have volunteer plants of your cover crop coming up all over the place.
Before summer vacation, Hanson rototilled the grass and planted cover crops over the area, which served as a natural compost.
Cover crops are grown either as part of a two-year rotation with wheat (in the 'wheat-legume' rotations) or as a winter crop in the tomato-corn rotation.