The invention relates to a method for determination of an optimized position and/or orientation of placement of a new obstacle in an agricultural field; said method comprising the steps: a) providing information relating to: i) coordinates relating to the boundaries of said agricultural field; and ii) coordinates relating to the boundaries of the ground shape of said new obstacle to be laid out in said field; b)providing information relating to one or more capacity parameters relating to a specific working vehicle intended for working said field; c) optionally providing information relating to the direct cost of the placing said new obstacle, as dependent on the specific position of placement thereof; d) performing a calculation of an optimized position and/or orientation of placement of said new obstacle; wherein said optimized position and/or orientation of placement is being calculated on the basis of said information retrieved in step a) and step b) and step c).
