The second distinctive feature of this agricultural revolution is more intensive mechanization; biotechnology is the third. Mechanization began replacing animal and human labor in the United States during the late nineteenth century. After World War II, mechanization spread to Europe and other parts of the world. The Industrial Revolution was the transition to new manufacturing processes in the period from about 1760 to sometime between 1820 and 1840.
A large increase in crop production in developing countries achieved by the use of fertilizers, pesticides, and high-yield crop varieties. The term Green Revolution refers to the renovation of agricultural practices beginning in Mexico in the 1940s. Because of its success in producing more agricultural products there, Green Revolution technologies spread worldwide in the 1950s and 1960s, significantly increasing the amount of calories produced per acre of agriculture.