Since the Industrial Revolution, replacement of human labor and draught animals in agriculture with machinery has occurred worldwide, but there is a big gap between industrialized and developing countries in this respect.

The first application of power to agricultural production in the industrialized countries took place at the beginning of the nineteenth century. At first this had little impact on the overall agriculture production, because the machinery was cumbersome and costly. In North America and Australia, tractors became a significant factor after World War I, but in Europe, this was not the case until after the World War II. The mechanization in the rest of the world stayed far behind [5]. Table 1.7 shows some recent developments in mechanization and the regional differences.

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