1. A control system for controlling an agricultural implement operable in varying operating conditions and having a plurality of adjustable output devices affecting implement operation, the control system comprising: a plurality of actuators connected to the output devices; feedback devices providing feedback signals indicative of the adjustments of the output devices; a plurality of sensors providing input signals indicative of implement input condition and controlled variables; an automatically adjustable controller connected to the actuators and responsive to the feedback signals and the input signals for automatically controlling the output devices; and wherein the automatically adjustable controller includes a neuro-fuzzy inference system that learns and stores parameters from implement experience, the inference system thereby providing one of the knowledge sources to the control system.