tractors

Type: 
Topical Term
Subfield: 
a
Alias: 
tractors

Tractors

2003
Briefly describes different kinds of tractors and other related machines and the work they do.

Tractors

1989
Examines the use of tractors in agriculture, discussing the development and operation of tractors through the years, and how the machine has changed farming.

Tractor

1995
A farmer uses his tractor to prepare the soil, plant seeds, harvest corn, and haul it away to be sold. Depicts the machinery which the tractor pulls: the manure spreader, the plow, the disc, the harrow, the planter, the picker, and the cultivator.

Otis

2009
When a big new yellow tractor arrives, Otis the friendly little tractor is cast away behind the barn, but when trouble occurs Otis is the only one who can help.

Giant tractors

2006
Photographs and text provide a close-up look at giant tractors, discussing the history of the vehicles, their power and size, the cab interior, and the work they do, and introducing the manufacturers of the machines.

Farm machinery

1986
Examines how machines are used for different types of farm work, including preparing soil, helping crops to grow, harvesting crops, and in the farming of livestock.

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