Resumen:
The development of a chisel plow equipment with low specific draft force
appears as the main demand for a significant amount of soybean and wheat farmers. The
objective of this work was to develop a chisel for low power tractors, whose demand was
born from the research priority survey in agricultural mechanization for the State of Paraná.
The work results was a new of a new chisel shank and tine design called EMA-IAPAR which
presented a fifity reduction in the specific draft force as compared with standart shank chisel
plow.