A crop management system (10) for processing crop material (14) positioned on afield (18) is disclosed. The crop management system (10) comprising: a field sensor (22) configured to detect one or more parameters of the crop material (14) at multiple locations in the field (18) and to output a signal representative of the detected parameters at each location; and a data processor (26) in operable communication with the field sensor (22) and configured to receive the signal, and wherein the data processor (26) is also configured to compile the data representative of the one or more parameters of the crop material (14) at the multiple locations with corresponding position data to determine the timing and location of a processing process.