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In agriculture, cover crops are plants that are planted to cover the soil rather than for the purpose of being harvested.Cover crops manage soil erosion, soil fertility, soil quality, water, weeds, pests, diseases, biodiversity and wildlife in an agroecosystem—an ecological system managed and shaped by humans.
In agriculture, a living mulch is a cover crop interplanted or undersown with a main crop, and intended to serve the purposes of a mulch, such as weed suppression and regulation of soil temperature. Living mulches grow for a long time with the main crops, whereas cover crops are incorporated into the soil or killed with herbicides.
The use of cover crops to help control weeds also increases organic residue in the soil (and nutrients, when using legumes). [34] Cover crops then need to be killed so that the newly planted crops can get enough light, water, nutrients, etc. [35] [36] This can be done by rollers, crimpers, choppers and other ways.
M. bracteate is a cover crop which helps to cover and shield the soil from weeds or plants, as well as providing rapid growth for existing agricultural crops, preventing soil erosion, and providing nitrogen fixation. The Mucuna bracteata crop grows about 10–15 cm/day in conditions similar to those that rubber and palm oil plants thrive in. [1]
Techniques for improved soil conservation include crop rotation, cover crops, conservation tillage and planted windbreaks, affect both erosion and fertility. When plants die, they decay and become part of the soil. Code 330 defines standard methods recommended by the U.S. Natural Resources Conservation Service. Farmers have practiced soil ...
The most common crop choices for strip cropping are closely sown crops such as hay, wheat, or other forages which are alternated with strips of row crops, such as corn, soybeans, cotton, or sugar beets. [1] The forages serve primarily as cover crops. In certain systems, strips in particularly-eroded areas are used to grow permanent protective ...
Oats as nurse crop for alfalfa. In agriculture, a nurse crop is an annual crop used to assist in establishment of a perennial crop. [1] The widest use of nurse crops is in the establishment of legumaceous plants such as alfalfa, clover, and trefoil. [1] [2] Occasionally, nurse crops are used for establishment of perennial grasses. [citation needed]
Integrating certain crops, especially cover crops, into crop rotations is of particular value to weed management. These crops crowd out weeds through competition. In addition, the sod and compost from cover crops and green manure slows the growth of what weeds are still able to make it through the soil, giving the crops further competitive ...
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