Jethro Tull's seed drill, 1701.

Jethro Tull's seed drill, 1701.
Model, scale 1:4, of Jethro Tull's seed drill, c. 1701. Tull's seed drill of circa 1701 represented a major step towards the mechanisation of crop cultivation. The machine would be drawn by a horse and sowed three regularly spaced rows of wheat grains. This regular spacing, as opposed to broadcast sowing of seeds, made possible the introduction, also by Tull, of a horse-drawn hoe to remove weeds growing amongst the crop.
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