Industrial Revolution sectors of the economy. However, per-capita food supply in Europe was stagnant or declining and did not improve in some parts of Europe until the late 18th century. Industrial technologies that affected farming included the seed drill, the Dutch plough, which contained iron parts, and the threshing machine. Jethro Tull invented an improved seed drill in 1701. It was a mechanical seeder which distributed seeds evenly across a plot of land and planted them at the correct depth. This was important because the yield of seeds harvested to seeds planted at that time was around four or five. Tull's seed
Seed drill the earth and the harrow would smooth the soil and break up any clumps. The drill would be set for the size of the seed used. Then the grain would be put in the hopper on top and then follow along behind it while the seed drill spaced and planted the seed. This system is still used today but it has been modified and updated so a farmer can plant many rows of seed at the same time. A seed drill can be pulled across the field using bullocks or a tractor. Seeds sown using a seed drill are distributed