![]() Initially the machine was only a limited success. This limited the wastage of seeding and made the crop easier to weed. ![]() They were then directed into a channel dug by a plough at the front of the machine, then immediately covered by a harrow attached to the rear. Grooves were cut into the cylinder to allow seed to pass from the hopper above to a funnel below. He designed his drill with a rotating cylinder. By 1701, his frustration with their lack of cooperation prompted him to invent a machine to do the work for him. Tull had noticed that traditional heavy sowing densities were not very efficient, so he instructed his staff to drill at very precise, low densities. He studied at Oxford University and Gray's Inn in preparation for a legal and political career, but ill health postponed these plans and, after his marriage in 1699, he began farming with his father.Īt the time, seeds were distributed into furrows ('drilling') by hand. Jethro Tull was born in 1674 into a family of Berkshire gentry. © Tull was an agricultural pioneer and the inventor of the seed drill, a major development in the agricultural revolution.
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