Agriculture in the United Kingdom sixfold by 1650. Improvements in transport, particularly along rivers and coasts, brought beef and dairy products from the north of England to London. The Kingdom of Great Britain was created on 1 May 1707, as a result of the Acts of Union putting into effect the terms of the Treaty of Union. At this time, Jethro Tull, a Berkshire farmer, had recently invented his famous rotating-cylinder seed drill. His 1731 book, "The New Horse Hoeing Husbandry", explained the systems and devices he espoused to improve agriculture. The book had such an impact that its influence can still be seen in
Jethro Tull (agriculturist) machinery for the purpose of carrying out his system of drill husbandry, about 1733. His first invention was a drill-plough to sow wheat and turnip seed in drills, three rows at a time. There were two boxes for the seed, and these, with the coulters, were placed one set behind the other, so that two sorts of seed might be sown at the same time. A harrow to cover in the seed was attached behind. Tull also invented a turnip-drill somewhat similar to the other in general arrangement, but of lighter construction. The feeding spout was so arranged as to