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Agricultural practice of changing crops
Effects of crop rotation and monoculture at the Swojec Experimental Farm, Wrocław University of Environmental and Life Sciences. In the front field, the "Norfolk" crop rotation sequence (potatoes, oats, peas, rye) is being applied; in the back field, rye has been grown for 58 years in a row.
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Crop rotation is the practice of growing a series of different types of crops in the same area across a sequence of growing seasons. This practice reduces the reliance of crops on one set of nutrients, pest and weed pressure, along with the probability of developing resistant pests and weeds.
Growing the same crop in the same place for many years in a row, known as monocropping, gradually depletes the soil of certain nutrients and selects for both a highly competitive pest and weed community. Without balancing nutrient use and diversifying pest and weed communities, the productivity of monocultures is highly dependent on external inputs that may be harmful to the soil's fertility. Conversely, a well-designed crop rotation can reduce the need for synthetic fertilizers and herbicides by better using ecosystem services from a diverse set of crops. Additionally, crop rotations can improve soil structure and organic matter, which reduces erosion and increases farm system resilience.
Croprotation is the practice of growing a series of different types of crops in the same area across a sequence of growing seasons. This practice reduces...
role in croprotation. The term pulse, as used by the United Nations' Food and Agriculture Organization (FAO), is reserved for legume crops harvested...
and diseases in a susceptible crop. The term "oligoculture" has been used to describe a croprotation of just a few crops, as practiced in several regions...
can be cultivated separately and thus can be used in a croprotation sequence. Croprotation has been employed for thousands of years and has been widely...
Norfolk four-course rotation, which greatly increased crop and livestock yields by improving soil fertility and reducing fallow. Croprotation is the practice...
Industrial Revolution. Historians cited enclosure, mechanization, four-field croprotation, and selective breeding as the most important innovations. Industrial...
environmental damage. Rotation of two crops within a year i.e.: Year 1: Wheat Year 2: Barley Year 3: Wheat again Three croprotation i.e.: Year 1: Wheat...
Safflower is frequently grown in croprotation with small grains, fallow and annual legumes. Close rotation with crops susceptible to Sclerotinia sclerotiorum...
organic agriculture.'" The paper described agricultural practices, like croprotation, compost application, and reduced tillage, that are similar to organic...
green manure, compost and minerals. Crop nutrient use may also be managed using cultural techniques such as croprotation or a fallow period. Manure is used...
farm profitability. Diversity can be added both in time, as with a croprotation or sequence, or in space, with a polyculture or intercropping (see table...
range from 1000 kg/ha to 1500 kg/ha In the mid east of the US a common croprotation is Soybean and Maize. After harvest the fields are kept as fallows....
gardens. Growing row crops first started in Ancient China in the 6th century BC. The distinction is significant in croprotation strategies, where land...
land. The rotation of crops grown in red soil can significantly help to limit some of the compositional issues mentioned previously. Croprotation helps to...
cultivation of the soil before sowing mitigate the pest burden, and croprotation helps to reduce the build-up of a certain pest species. Concern about...
desertification. Techniques for improved soil conservation include croprotation, cover crops, conservation tillage and planted windbreaks, affect both erosion...
pesticides. Croprotations often are the only economically feasible method for reducing insect and disease damage. Croprotation replaces a crop that is susceptible...
other crops, can be a very effective method of weed control. It is a way to avoid the use of herbicides, and to gain the benefits of croprotation. A biological...
including horses, cattle, sheep, and goats to the Americas. Irrigation, croprotation, and fertilizers were introduced soon after the Neolithic Revolution...
worked (ploughed or tilled) regularly, generally under a system of croprotation". In Britain, arable land has traditionally been contrasted with pasturable...
crop which means that a perennial cultivation is possible. For Chamomile, the most important condition which has to be induced by the croprotation is...
crop, often raised from year to year on the same land, or with little croprotation; agrichemicals – reliance on imported, synthetic fertilizers and pesticides...
better in low-temperature areas. Sunflower cultivation typically uses croprotation, often with cereals, soybean, or rapeseed. This reduces idle periods...
more dimension of plant diversity to a cash croprotation. Since the cover crop is typically not a crop of value, its management is usually less intensive...
cycles and soil borne pathogens by temporarily removing their hosts. Croprotation systems typically called for some of a farmer's fields to be left fallow...
improved to 1:14 with the introduction of the three-field system of croprotation around the 14th century. Seed multiplication ratio is variable, subject...
field at a time. Both polycultures and monocultures may be subject to croprotations or other changes with time (table). A well-known traditional example...
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