A computer and data network assisted automated method and system for determining factors limiting production locally and site-specifically in agriculture or related industrial fields, and for evaluating the mutual significance thereof by means of an expert system. The bracket system may include a bracket with an open end for receiving a fence rail, a retention clip for attaching the rail to the bracket, and a cap for covering the open end of the bracket. A method of making a present dispersion is also provided. The transformer may also include a frame unit having a rounded flange that conforms to the shape of the wound coil.