Jethro Tull (agriculturist) the seed so that it could grow. Before the introduction of the seed drill, the common practice was to plant seeds by broadcasting (evenly throwing) them across the ground by hand on the prepared soil and then lightly harrowing the soil to bury the seeds to the correct depth. In his 1731 publication Tull described how the motivation for developing the seed-drill arose from conflict with his servants. He had struggled to enforce his new methods upon them, in part because they resisted the threat to their position as labourers and their skill with the plough. Jethro Tull invented some
Exhibition drill Exhibition drill Exhibition drill is a variant of drill that involves complex marching sequences which usually deviate from drill used in the course of ordinary parades. Teams performing exhibition drill are often affiliated with military units, but the scope of exhibition drill is not limited to military drill teams. Exhibition drill is often performed by Armed Forces Drill Teams, the drill teams at service academies and ROTC and JROTC units, and civilian drill teams that perform at parades, drill meets, and half-time shows and other public venues. The first documented performance of exhibition drill was performed by Hadji Cheriff and