Tedding,Raking, Lifting Silage 2011

Tedding,Raking, Lifting Silage 2011

The rest of this section provides support for the following: Generalization 8. When new power sources become available, they are initially used only for selected operations for which their comparative advantage is greatest.

By 1852 the number of threshing machines in France had already reached nearly one-third of its peak 1929 level, though they spread more slowly in Germany. Except for some animal-drawn primary tillage, stationary machines for powerintensive operations preceded all other forms of mechanization in Japan. In South Asia animals have long driven Persian wheels, sugarcane crushers, and oil crushers.

The operations of farming for which machines are used are diverse. For crop production they include handling of residues from previous crops; primary and secondary tillage of the soil; fertilizer distribution and application; seeding, planting, and transplanting; cultivation; pest control; harvesting; transportation; storage; premarketing processing; drainage; irrigation and erosion control; and water conservation.
Advances in technology have been central to the dramatic progress in the mechanization of farming practices throughout the world. Of greatest importance has been the development of the internal combustion engine and its utilization in farm tractors, combine harvesters and other self-propelled agricultural machinery.As a consequence, the transition to engine powered mechanization is likely to occur sooner rather than later in the poorer regions unless rural life (especially for females) can be made more attractive.

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Furthermore, the development of sub-soilers to break up soil pans (highly compacted layers of soil interfering with water movement and deep crop root development) would not have been possible without the power capability of the modern tractor. Likewise, the ability to improve soil drainage (in excessively high moisture soils) through tractorized mole drainage systems would not have been possible with animal power alone.

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