The plough is a tool used in agriculture since ancient times to shake up the soil and prepare it for subsequent working either directly for sowing. The plow in a historical sense is a kind of evolution of pickaxe, once pulled by oxen or directly by the people and today, in developed countries with mechanical tractors. The ploughing serves to incorporate the remains of the previous crop in the soil, cut the presence of weeds and fragment the land in anticipation of next sowing (usually after exposure to adverse weather conditions and subject to further working with other gear). The plow includes three sets of components, all linked to a frame bearing said bure. Bodies of attack. They are arranged at the front of bure and serve to implement the tool to a tractor or animals with holding tow. In the case of ploughs brought coupling device is adapted the attack to three points in the tractor: consists of two pins side, which applies two hydraulic lift arms of the tractor, and a central brac...
science of farm machinery
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