Cultivator

rotary tillerrototillercultivatingcultivationcultivatorsfield cultivatortillerRotary Hoerototillingrotovator
A cultivator is any of several types of farm implement used for secondary tillage.wikipedia
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List of agricultural machinery

farm implementfarm implementsimplement
A cultivator is any of several types of farm implement used for secondary tillage.
Cultivator (of two main variations)

Tillage

cultivationtillingcultivated
A cultivator is any of several types of farm implement used for secondary tillage.
Examples of draft-animal-powered or mechanized work include ploughing (overturning with moldboards or chiseling with chisel shanks), rototilling, rolling with cultipackers or other rollers, harrowing, and cultivating with cultivator shanks (teeth).

Weed

weedsvegetable pestsweedy species
Cultivators stir and pulverize the soil, either before planting (to aerate the soil and prepare a smooth, loose seedbed) or after the crop has begun growing (to kill weeds—controlled disturbance of the topsoil close to the crop plants kills the surrounding weeds by uprooting them, burying their leaves to disrupt their photosynthesis, or a combination of both).
Methods include hand cultivation with hoes, powered cultivation with cultivators, smothering with mulch, lethal wilting with high heat, burning, or chemical attack with herbicides.

Weed control

weedingweedweed management
Cultivator teeth work near the surface, usually for weed control, whereas chisel plow shanks work deep beneath the surface, breaking up hardpan.
Methods include hand cultivation with hoes, powered cultivation with cultivators, smothering with mulch, lethal wilting with high heat, burning, and chemical attack with herbicides (weed killers).

Seedbed

seed bedseed beds
Cultivators stir and pulverize the soil, either before planting (to aerate the soil and prepare a smooth, loose seedbed) or after the crop has begun growing (to kill weeds—controlled disturbance of the topsoil close to the crop plants kills the surrounding weeds by uprooting them, burying their leaves to disrupt their photosynthesis, or a combination of both).
Seedbed preparation in farm fields often involves secondary tillage via harrows and cultivators.

Two-wheel tractor

kuliglighand tractorwalking tractor
Cultivators are usually either self-propelled or drawn as an attachment behind either a two-wheel tractor or four-wheel tractor.
Two-wheel tractor or walking tractor motoculteur Einachsschlepper oder Bodenfräse are generic terms understood in the USA and in parts of Europe to represent a single-axle tractor, which is a tractor with one axle, self-powered and self-propelled, which can pull and power various farm implements such as a trailer, cultivator or harrow, a plough, or various seeders and harvesters.

Harrow (tool)

harrowharrowingharrows
Unlike a harrow, which disturbs the entire surface of the soil, cultivators are designed to disturb the soil in careful patterns, sparing the crop plants but disrupting the weeds.
Harrows differ from cultivators in that they disturb the whole surface of the soil, such as to prepare a seedbed, instead of disturbing only narrow trails that skirt crop rows (to kill weeds).

Garden tool

garden toolsgardening toollawn and garden equipment
Small toothed cultivators pushed or pulled by a single person are used as garden tools for small-scale gardening, such as for the household's own use or for small market gardens.
Cultivators

Plough

plowploughingplowing
Cultivators of the toothed type are often similar in form to chisel plows, but their goals are different.
Cultivators are often similar in form to chisel ploughs, but their goals are different.

Farmall

Farmall tractor letter series, 1939–1954
But by 1921 International Harvester had combined motorized cultivating with the other tasks of tractors (tractive power and belt work) to create the Farmall, the general-purpose tractor tailored to cultivating that basically invented the category of row-crop tractors.
The first group of traits allowed for more nimble maneuvering and accurate cultivation than most other tractors of the day; additionally, because of the second group, the Farmall could also, like previous tractors, perform all the other duties a farmer would have previously achieved using a team of horses.

Organic farming

organicorganic agricultureorganic farm
However, herbicides are not always desirable—for example, in organic farming.
Tillage - Turning the soil between crops to incorporate crop residues and soil amendments; remove existing weed growth and prepare a seedbed for planting; turning soil after seeding to kill weeds, including cultivation of row crops;

Traction engine

traction enginesploughing engineroad locomotive
Meanwhile, in North America during the 1910s, tractors were evolving away from traction engine-sized monsters toward smaller, lighter, more affordable machines.
The most common were the balance plough and the cultivator - ploughing and cultivating being the most physically demanding jobs to do on an arable farm.

Gilgandra, New South Wales

GilgandraGilgandra, New South Wales, AustraliaGilgndra township
The powered rotary hoe was invented by Arthur Clifford Howard who, in 1912, began experimenting with rotary tillage on his father's farm at Gilgandra, New South Wales, Australia.
Particularly interesting large items include the Howard Rotary Hoe (a version of a cultivator) which was invented at Gilgandra, a Ridley Stripper, and a Ruston & Proctor Steam Traction Engine.

Hoe (tool)

hoehoeshoeing
The basic idea of soil scratching for weed control is ancient and was done with hoes or mattocks for millennia before cultivators were developed.
Rotary hoe (aka rotary tiller or cultivator)

Pubert SAS

Pubert SAS
The company is the leading manufacturer of tillers in the world.

Tractor

tractorsagricultural tractorfarm tractor
Cultivators are usually either self-propelled or drawn as an attachment behind either a two-wheel tractor or four-wheel tractor. But by 1921 International Harvester had combined motorized cultivating with the other tasks of tractors (tractive power and belt work) to create the Farmall, the general-purpose tractor tailored to cultivating that basically invented the category of row-crop tractors. Meanwhile, in North America during the 1910s, tractors were evolving away from traction engine-sized monsters toward smaller, lighter, more affordable machines.
Very common implements include the box blade, the grader blade, the landscape rake, the post hole digger (or post hole auger), the rotary cutter (slasher or a brush hog), a mid- or rear-mount finish mower, a broadcast seeder, a subsoiler and the rototiller (rotary tiller).

Palindrome

palindromicpalindromessemordnilap
Rotavator: Unlike the Rototiller, the self-propelled Howard Rotavator is equipped with a gearbox and driven forward, or held back, by its wheels. The gearbox enables the forward speed to be adjusted while the rotational speed of the tines remains constant which enables the operator to easily regulate the extent to which soil is engaged. For a two-wheel tractor rotavator this greatly reduces the workload of the operator as compared to a rototiller. These rotavators are generally more heavy duty, come in higher power (4–18 horsepower or 3–13 kilowatts) with either petrol or diesel engines and can cover much more area per hour. The trademarked word "Rotavator" is one of the longest single-word palindromes in the English language.
Rotavator, a trademarked name for an agricultural machine, is often listed in dictionaries.

Linearity

linearlinearlycomplex linear
One sense of the name refers to frames with teeth (also called shanks) that pierce the soil as they are dragged through it linearly.

Rotation around a fixed axis

axisaxis of rotationaxial
Another sense refers to machines that use rotary motion of disks or teeth to accomplish a similar result.

Aeration

aeratedaerateaerating
Cultivators stir and pulverize the soil, either before planting (to aerate the soil and prepare a smooth, loose seedbed) or after the crop has begun growing (to kill weeds—controlled disturbance of the topsoil close to the crop plants kills the surrounding weeds by uprooting them, burying their leaves to disrupt their photosynthesis, or a combination of both).

Photosynthesis

photosyntheticphotosynthesizephotosynthesizing
Cultivators stir and pulverize the soil, either before planting (to aerate the soil and prepare a smooth, loose seedbed) or after the crop has begun growing (to kill weeds—controlled disturbance of the topsoil close to the crop plants kills the surrounding weeds by uprooting them, burying their leaves to disrupt their photosynthesis, or a combination of both).

Hardpan

Hard Paniron hardpanploughpan
Cultivator teeth work near the surface, usually for weed control, whereas chisel plow shanks work deep beneath the surface, breaking up hardpan.

Market garden

market gardeningtruck farmingmarket gardens
Small toothed cultivators pushed or pulled by a single person are used as garden tools for small-scale gardening, such as for the household's own use or for small market gardens.

Three-point hitch

three-point linkagehitchThree point linkage
For four-wheel tractors they are usually attached by means of a three-point hitch and driven by a power take-off (PTO).

Power take-off

PTOpower take offpower takeoff
For four-wheel tractors they are usually attached by means of a three-point hitch and driven by a power take-off (PTO).