According to the About.com website (refer to the link, below), John Deer invented the steel plow in 1837.
John Deere invented the steel (all by himself)
John Deere
because he invented the steel plow
they invented many items that were used to plant
steel plow
Steel plow
He invented the polished steel plow in Grand Detoiur, Illinois in 1837.
John Deere introduced the first steel plough in 1837
yes he did. not john deere
1837
John Deere invented the polished steel plow in 1837 out of a broken sawmill blade.
John deere invented the steel plow in 1837
An iron plow is made of iron, which is a softer metal compared to steel. A steel plow is made of steel, a stronger and more durable material than iron. Steel plows are generally more effective for breaking up tough or rocky soil compared to iron plows.
plow
John Deere created to steel plow
Overall the steel plow replaced the wooden plow, steel being alot stronger material than wood but it was unable to be shaped into a plow bottom until the 1800s.