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Large square bales, which can weigh up to 1,000 kilograms (2,200 lb), can be stacked and easily transported on trucks. Large round bales, which typically weigh 300 to 400 kilograms (660–880 lb), are more moisture-resistant and pack the hay more densely (especially at the center). Round bales are quickly fed with the use of mechanized equipment.
The most important tool for large round bale handling is the bale spear or spike, which is usually mounted on the back of a tractor or the front of a skid-steer. It is inserted into the approximate center of the round bale, then lifted and the bale is hauled away. Once at the destination, the bale is set down, and the spear pulled out.
The type of bale handling attachment will be built to handle the particular size and type of bale. Bale spears can often move both round and square large bales. [3] [4] Bale squeezes are used with bales that are wrapped for silage, [5] large piles of large and small square bales, [6] as well as a special squeeze that can be used to unroll large ...
The flaps do not hole the bales. In the UK, baled silage is most often made in round bales about 1.2 m × 1.2 m (4 ft × 4 ft), individually wrapped with four to six layers of "bale wrap plastic" (black, white or green 25-micrometre stretch film). The percentage of dry matter can vary from about 20% dry matter upwards.
Dimensions User Comment; current: 07:40, 7 July 2008: 2 min 37 s, 320 × 240 (6.15 MB) DMahalko {{Information |Description={{en|1=Picking up a high moisture round bale with the combination bale spear and bale rotator, tying the cling wrap plastic to the mesh wrap on the bale, and proceeding to wrap several layers of plastic across the sides and ...
Other bale sizes are three-string, and so on up to half-ton (six-string) "square" bales – actually rectangular, and typically about 40 cm × 45 cm × 100 cm (16 in × 18 in × 39 in). [5] Small square bales weigh from 25 to 30 kg (55 to 66 lb) depending on moisture, and can be easily hand separated into "flakes".
The wrapping table usually consists of two rollers, and four belts which slowly spin the bales while the table itself revolves. As the bale turns, plastic film is pulled through the dispensing unit and wrapped tightly on the bale. When the table has revolved at least 16 times, the bale can be ejected. This is done by a hydraulic ram which tilts ...
A tractor towing a baler makes hay bales in a field in Germany. Asparagus are presently harvested by hand with labor costs at 71% of production costs and 44% of selling costs. [20] Asparagus is a difficult crop to harvest since each spear matures at a different speed making it difficult to achieve a uniform harvest. [21]