disk harrow


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Related to disk harrow: disk plow

disk harrow

[′disk ‚ha·rō]
(agriculture)
A harrow which has two or more opposed gangs of 3-12 disks for cutting clods and trash, destroying weeds, cutting in cover crops, and smoothing and preparing the surface for various farming operations.
References in periodicals archive ?
Figure 7 shows average fuel consumptions, where a considerable difference is obvious between the disk harrow and the other two implements, how much more fuel is consumed for cultivation in the older way, which is a piece of information very much in favour of circular self-cleaning harrow and soil preparation machine which were far more economical.
The time sequence was: circular self-cleaning harrow, soil preparation machine and, last, the disk harrow.
In order to reach such one passage with the circular self-cleaning harrow, two passages with the soil preparation machine and three passages with the disk harrow were necessary.
It was anticipated that most time would be used for cultivation with disk harrow, almost one half less time is used for work with the soil preparation machine; the work is performed fastest with circular self-cleaning harrow (p [less than or equal to] 0,05).
Figure 8 shows the values from table 2, where it can be clearly seen how much time is used for soil preparation with disk harrow in comparison with the soil preparation machine and circular self cleaning harrow.
Usually, offset disk harrows have larger disks, up to 20 to 24 inches in diameter, set on a spacing of 9 inches.
The angles in both types of disk harrows can be adjusted to regulate the cutting depth and mixing action.
Among the products surveyed under the farm field machinery category, rectangular balers, forage harvesters, grinder mixers, manure spreaders, mower conditioners, windrowers/swathers, field cultivators, chisel plows and disk harrows all show negative retail sales for 2000 ranging from .
Products featured in the January 2000 "State of the Ag Industry Outlook" include: two- and four-wheel-drive farm tractors, self-propelled combines, rectangular balers, round balers, forage harvesters, grinder mixers, manure spreaders, mower conditioners, windrowers/swathers, field cultivators, farm loaders, chisel plows, disk harrows, dairy mechanization equipment, beef mechanization equipment, hog mechanization equipment and milking machines.
Among the farm field machinery category, rectangular balers, forage harvesters, grinder mixers, manure spreaders, windrowers/swathers, field cultivators, chisel plows and disk harrows all show negative retail sales for 1999 and 2000.
Products featured in the 1999 "Mid-Year State of the Ag Industry Outlook" include: two- and four-wheel-drive farm tractors, self-propelled combines, rectangular balers, round balers, forage harvesters, grinder mixers, manure spreaders, mower conditioners, windrowers/swathers, field cultivators, farm loaders, chisel plows, disk harrows, dairy mechanization equipment, beef mechanization equipment, hog mechanization equipment and milking machines.