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A dethatcher or lawn scarifier is a device that removes thatch from lawns. Types of dethatchers include motorized dethatchers or those that can be pulled behind a garden tractor. Types of dethatchers include motorized dethatchers or those that can be pulled behind a garden tractor.
Agricultural subsoiler implements will have multiple deeper-reaching blades; each blade is called a scarifier or shank. Purdue University 's Department of Agriculture indicates that common subsoilers for agricultural use are available with three, five or seven shanks.
Using thermal and chemical scarification, germination increased to 48.8% and 44% respectively. 68% of Longspur lupine seeds germinated in the control group, while all scarification methods decreased the success rate of germination. The silvery lupine had 52% of its control group germinate but through mechanical scarification it rose to 85.2%.
The S.F.I. scarifier, after strengthening, had been "quite successful" for 2 years, promising trials were under way with the cone scarifier and barrel ring scarifier, and development had begun on a new flail scarifier for use on sites with shallow, rocky soils.
Galion was known for its huge pull-type graders, some of the largest ever built, designed to be pulled behind the largest tractors. The No 14 shown here is equipped with scarifier, steerable tongue, 14-foot blade and hand-operated controls. This heavy-duty unit weighed 15,000 pounds.
A hay rake may be mechanized, drawn by a tractor or draft animals, or it may be a hand tool.The earliest hay rakes were nothing more than tree branches, but wooden hand rakes with wooden teeth, similar in design to a garden rake but larger, were prevalent in the 19th and early 20th centuries, and still are used in some locations around the world.
Similarly, in sports-ground maintenance, light chain harrowing is often used to level off the ground after heavy use to remove and smooth out boot marks and indentations. Used on tilled land in combination with the other two types, chain harrowing rolls remaining larger soil clumps to the surface, where weather breaks them down and prevents ...
Commercial laser guided models are coming into use which automatically level the blade via reference to an external laser. Three point road graders can be viewed as a specific type of box blade, and are used to grade and maintain dirt and gravel roads. They usually have 2 parallel angled cutting edges, and long, low sidepieces. Manufacturers ...