412
Section 4 Technological Contexts
Did You Know?

The following important events took
place in the history of agriculture:

Jethro Tull developed the fi rst
horse-drawn seed drill in 1701.

The fi rst steam-powered plowing
was done in 1830.

The fi rst successful combine
harvester was developed in 1836.

The fi rst successful gasoline
tractor was developed in 1892.

The average American eats this
amount of the following foods each
year:

About 300 pounds of fruit.

About 420 pounds of vegetables.

About 200 pounds of meat,
poultry, and fi sh.

About 10 pounds of nuts.

About 200 pounds of fl our and
cereal products.
C h a p t e r 1 9
Agricultural and
Related
Technology
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