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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.
The 660 & 760 class railcars are a class of diesel multiple unit train built by the New South Wales Government Railways (NSWGR) and used in the latter stages of their life by CityRail, primarily on its Hunter Valley line. The trains have since been phased out in favour of the newer Endeavour railcar model. The 660/760 railcars were converted by ...
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; Stone / Rock / Debris removal implement (e.g. Destoner, Rock windrower / rock rake, Stone picker ...
A simple drawn plough: 4) marks the coulter (using an early knife-like design) A (US:) colter / (British:) coulter (Latin 'culter' = 'knife') is a vertically mounted component of many ploughs that cuts an edge about 7 inches (18 cm) deep ahead of a plowshare. [1]
Alternatively, the term "power tiller" or "rotary tiller" as is understood in Asia and elsewhere is the rubber- or iron-wheeled, self-propelled machines of 5–18 hp (3.7–13.4 kW) usually powered by heavy-duty single-cylinder diesel engines (and many Asian countries historically have had to pay a high luxury tax on petrol/gasoline).
The 620/720 class railcars were an evolution of the 600/700 railcars that had been built in 1949/50. Like their predecessors they were built with an aluminium body on a steel frame at the New South Wales Government Railways' Chullora Railway Workshops.
Three 59 class (5908, 5916, 5918) remained as oil burners and ended their service as shunters at Grafton. 5918 was badly damaged in a shunting accident and was used as a parts donor for 5908 and 5916 until the remains were scrapped in 1969. 5908 and 5916 were later transferred to Broadmeadow Locomotive Depot in December 1970 for use as ...
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