The scale of the investment required may be determined from comprehensive data on farm mechanization costs (see also, Expenditures and Returns). For instance, the current cost of mechanization in the UK is about 20 % of total farm input costs (Table 1). Table 1. Breakdown of farm input costs (UK inputs) (see also, Expenditures and Returns).
There is a long history of agricultural mechanization that has been human and animal powered rather than engine powered. The difference in scale is quite staggering and is a measure of the economic gulf between the rich and the poor on this planet. For example, an average horse plowing the soil at an average rate will perform work at a rate of one horsepower (hp). In contrast, a 100 hp (75 kW) tractor could work (e.g. plowing the soil) at a rate one hundred times faster than the horse.

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The scale of the investment required may be determined from comprehensive data on farm mechanization costs (see also, Expenditures and Returns). For instance, the current cost of mechanization in the UK is about 20 % of total farm input costs (Table 1). Table 1. Breakdown of farm input costs (UK inputs) (see also, Expenditures and Returns).
There is a long history of agricultural mechanization that has been human and animal powered rather than engine powered. The difference in scale is quite staggering and is a measure of the economic gulf between the rich and the poor on this planet. For example, an average horse plowing the soil at an average rate will perform work at a rate of one horsepower (hp). In contrast, a 100 hp (75 kW) tractor could work (e.g. plowing the soil) at a rate one hundred times faster than the horse.

Source 1 | Source 2 | Source 3

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