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Another sense of the name also refers to machines that use the rotary motion of disks or teeth to accomplish a similar result, such as a rotary tiller. 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 ...
Cultivator (of two main variations) Dragged teeth (also called shanks) that pierce the soil. Rotary motion of disks or teeth. Examples are: Power tiller / Rotary tiller / Rototiller / Bedtiller / Mulch tiller / Rotavator; Harrow (e.g. Spike harrow, Drag harrow, Disk harrow) Land imprinter; Plow or plough (various specialized types) Roller
Soil loses nutrients, like nitrogen and fertilizer, and its ability to store water. [17] [note 2] Decreases the water infiltration rate of soil. (Results in more runoff and erosion [17] [19] as the soil absorbs water more slowly than before) [note 3] Tilling the soil results in dislodging the cohesiveness of the soil particles, thereby inducing ...
Harrows differ from ploughs, which cut the upper 12 to 25 centimetre (5 to 10 in) layer of soil, and leave furrows, parallel trenches. Harrows differ from cultivators in that they disturb the whole surface of the soil, while a cultivator instead disturbs only narrow tracks between the crop rows to kill weeds.
A disc harrow is the preferred method of incorporating both agricultural lime (either dolomitic or calcitic lime) and agricultural gypsum, and disc harrowing achieves a 50/50 mix with the soil when set correctly, thereby reducing acid saturation in the top soil and so promoting strong, healthy root development.
In Japanese folklore, the Kumade (熊手, lit. 'bear hand') is a rake; a smaller, handheld, decorated version is sold as an engimono, often during Tori-no-Ichi (lit. "Rooster markets) which take place throughout Japan each November, and is believed to be able to, literally, rake-in good-fortune &/or rake-out bad-fortune for the user.