Influence of chisel plow shank shape on horizontal and vertical force requirements

Abstract EN

The horizontal and vertical forces acting on three chisel plows having different shank shapes were measured in a sandy loam soil.

The shank shape of the first plow was curved, while those of the second and third plows were semi-straight and semi-curved, respectively.

The effect of forward speeds and plowing depth upon the horizontal and vertical force measurements were investigated.

Soil characteristics, chisel plow specifications and results of tillage experiments were reported.

A significant increase in horizontal force (N/shank/cm2) was observed for all the three commercial chisel plows and was proportional to the increase in the forward speed.

However, non-significant increase in vertical force (N/shank/cm2) was observed for all the three plows with an increase in the forward speed.

The curved shank gave values of horizontal and vertical forces (N / shan / cm2) greater than that of the other shank shapes.