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The tillage kills the weeds via 2 mechanisms: uprooting them, burying their leaves ( cutting off their photosynthesis ), or a combination of both.
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tillage and kills
Additionally, " cultivation " or " cultivating " may refer to an even narrower sense of shallow, selective secondary tillage of row crop fields that kills weeds while sparing the crop plants.
tillage and weeds
* Tilling in absolute darkness ( night tillage ) might reduce the number of weeds that sprout following the tilling operation by half.
Crops can be grown for several years without any tillage through the use of herbicides to control weeds, crop varieties that tolerate packed soil, and equipment that can plant seeds or fumigate the soil without really digging it up.
Mechanical control ( including tillage ) was also ( and still is ) used to control weeds.
Without it, farmers had to plant rows far enough apart to control post-emergent weeds with mechanical tillage.
Control of weeds by pre-plant irrigation that germinates weed seeds followed by shallow tillage may be effective on fields with minimal weed pressure.
Some techniques for conserving soil moisture ( such as frequent tillage to kill weeds ) are at odds with techniques for conserving topsoil.
Farmers experimenting with organic no-till use cover crops instead of tillage for controlling weeds, and are developing various methods to kill the cover crops ( rollers, crimper, choppers, etc.
tillage and via
* The weed control, to the extent that it is done via tillage, is usually achieved with cultivators or hoes, which disturb the top few centimeters of soil around the crop plants but with minimal disturbance of the crop plants themselves.
Until the 1950s, plows and other tillage equipment usually were connected to the tractor via a drawbar, or a proprietary connecting system.
Seedbed preparation in farm fields often involves secondary tillage via harrows and cultivators.
Seedbed preparation in gardens often involves secondary tillage via hand tools such as rakes and hoes.
tillage and 2
Fuel consumption-derived CO < sub > 2 </ sub > emissions under conventional and reduced tillage cropping systems in northern Japan.
As a leading global manufacturer of agricultural equipment, AGCO offers a full line of tractors, combines, hay tools, sprayers, forage and tillage equipment, which are distributed through more than 2, 700 independent dealers and distributors in more than 140 countries worldwide.
tillage and them
There is no strict boundary between them so much as a loose distinction between tillage that is deeper and more thorough ( primary ) and tillage that is shallower and sometimes more selective of location ( secondary ).
tillage and their
Crops that do not perform well when competing with other plants that grow in untilled soil in their early stages can be best grown by using other conservation tillage practices, like a combination of strip-till with no-till areas.
They devote the whole of their time to tillage ; nor would an enemy coming upon a husbandman at work on his land do him any harm, for men of this class, being regarded as public benefactors, are protected from all injury.
With the end of the feudal system, the peasants had lost their land and tillage / grazing rights and were forced to find other work or starve.
tillage and off
The drought killed off animals in the field, particularly sheep in Connacht and black cattle in the south, and struck farmers, by the end of April, by destroying much of the tillage crops sown the previous autumn ( wheat and barley ).
tillage and ),
In the past two decades plough use has reduced in some areas ( where soil damage and erosion are problems ), in favour of shallower ploughing and other less invasive tillage techniques.
The best-known example of this perspective was the concept of Sozialbrache ( social-fallow ), i. e. the abandoning of tillage as an indicator for occupational shifts away from agriculture.
* Greater speeds, when using certain tillage implements ( disks and chisel plows ), lead to more intensive tillage ( i. e., less residue is on the soil surface ).
As of the beginning of 2005, the agricultural lands occupied an area of 1, 350, 000 ha ( 44 % of the territory ), of which tillage lands — 32 %, and forage lands — 12 % of the total land area of the oblast.
The Conservation Agriculture Program defines conservation agriculture as a farming system that reduces soil disturbance ( less tillage ), incorporates suitable crop rotations, and retains crop residues as a soil cover.
Erosion control techniques such as windbreaks, reduced tillage or no-till, spreading straw ( or other mulch on particularly susceptible ground ), and strip farming are used to minimize topsoil loss.
According to the U. S. Environmental Protection Agency, " the lake is affected by nonpoint source pollution from agriculture ( pesticide and fertilizer use, manure production, and sedimentation resulting from poor tillage practices ), residential land use ( septic systems, lawncare, and construction ), and streambank erosion.
The first mention the Fryazino was in the 1584 – 1586 cadastres of Moskovsky Uyezd: " Villages of Fryazinova and Samsonov as well on the river of Lyubosivka, and it includes of plowed gray land tillage 4 desiatinas and of fallow 13. 5 desiatinas in the field and the same in two ( implying: cultivated fields ), hay 10 haycocks, firewood forest, 5 acres " ().
tillage and both
Most organic farming tends to require extensive tilling, as did most farming throughout history, although researchers are investigating farming in polyculture that would eliminate the need for both tillage and pesticides, such as no-dig gardening.
Rotary tillers provide a powered alternative that takes care of both primary and secondary tillage.
No-till and strip tillage are both forms of conservation tillage.
The crop can be established both by no-till and conventional tillage.
Small tilling equipment, used in small gardens such as household gardens and small commercial gardens, can provide both primary and secondary tillage.
tillage and .
The tillage of agricultural lands, which breaks up soil into finer particles, is one of the primary factors.
Economic conditions were favourable in the peaceful Restoration period from 1660 to 1688, as land owners promoted better tillage and cattle-raising, and Glasgow became an increasingly important commercial centre, opening up trade with the American colonies.
Hoe-farming is the traditional tillage method in tropical or sub-tropical regions, which are characterized by stony soils, steep slope gradients, predominant root crops, and coarse grains grown at wide distances apart.
The chisel plough is a common tool to get deep tillage ( prepared land ) with limited soil disruption.
In these low rainfall areas, better use of available soil-water ( and better control of soil erosion ) is achieved by retaining the stubble after harvesting and by minimizing tillage.
Forestry is also a factor, but tillage is less applied.
Primary tillage such as ploughing tends to produce a rough surface finish, whereas secondary tillage tends to produce a smoother surface finish, such as that required to make a good seedbed for many crops.
Harrowing and rototilling often combine primary and secondary tillage into one operation.
Intensive tillage systems leave less than 15 % crop residue cover or less than 500 pounds per acre ( 560 kg / ha ) of small grain residue.
These types of tillage systems are often referred to as conventional tillage systems but as reduced and conservation tillage systems have been more widely adopted, it is often not appropriate to refer to this type of system as conventional.
Reduced tillage systems leave between 15 and 30 % residue cover on the soil or 500 to 1000 pounds per acre ( 560 to 1100 kg / ha ) of small grain residue during the critical erosion period.
Conservation tillage systems are methods of soil tillage which leave a minimum of 30 % of crop residue on the soil surface or at least 1, 000 lb / ac ( 1, 100 kg / ha ) of small grain residue on the surface during the critical soil erosion period.
Conservation tillage systems also benefit farmers by reducing fuel consumption and soil compaction.
Conservation tillage was used on about 38 %,, of all US cropland, planted as of 2004 according to the USDA.
However, conservation tillage systems delay warming of the soil due to the reduction of dark earth exposure to the warmth of the spring sun, thus delaying the planting of the next year's spring crop of corn.
* Compaction of the soil, also known as a tillage pan.
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