USA HISTORY

Detailed explanation-1: -Jefferson had an abiding interest in improving the technology of farming. One of his more important contributions to agriculture was the moldboard plow. Invented in 1794, in 1814 he began to have the moldboards cast in iron.

Detailed explanation-2: -Jefferson needed a plow and method of cultivation that would help prevent the soil erosion that plagued Virginia’s Piedmont farms.

Detailed explanation-3: -Despite the precision of the moldboard plow, few farmers across the country actually used it, for plows fitted with iron moldboards were quickly replacing wooden models. Beginning in 1814, however, Jefferson did have his moldboards cast in iron. Jefferson never tried to patent his design, but he did win acclaim for it.

Detailed explanation-4: -Charles Newbold and David Peacock The first real inventor of the practical plow was Charles Newbold of Burlington County, New Jersey; he received a patent for a cast-iron plow in June of 1797.