Selective harvesting of a parcel of land by a harvesting machine including a motorised support structure on which are mounted a harvesting assembly adapted to deliver a harvested stream, at least two receptacles (1) for storage of the stream and a system for respectively feeding a receptacle (1) with the stream as a function of the location of the machine in the parcel. The parcel is divided into distinct geographical areas and each receptacle is dedicated to an area. The machine comprises upper conveyor means (3) for feeding the receptables (1) along respective feed paths, a lower conveyor (6) and a device for guiding the harvested stream by opening and closing the feed paths and varying the conveying direction of the lower conveyor, as a function of the receptable to be fed with the harvested stream.
