The present disclosure refers to a method for determining output data from crop plant characteristics for a crop plant, the method comprising, in a data processing system (2) having one or more processors: providing measurement data detected for a crop plant (1); determining model data representing a three dimensional model of the crop plant (1) from the measurement data; segmenting the three dimensional model of the crop plant (1) into a plurality of three dimensional segments; determining first crop plant characteristics for a first subpart of the crop plant (1) provided in a first three dimensional segment of the plurality of three dimensional segments; and providing output data at an output device (3). The output data comprise at least one of the following: media data comprising at least one of video data and audio data indicative of the first crop plant characteristics for the first subpart of the crop plant (1) provided in the first three dimensional segment; and operation control data indicative of operation control signals for controlling operating of an agricultural machine working on the crop plant (1), the operation control signals comprising first operation control signals determined from the first crop plant characteristics and configured to control operation of the agricultural machine for applying an agricultural treatment to the first subpart of the crop plant (1). Further, a method for controlling operation of an agricultural machine, an agricultural machine, and a computer program product are provided.