The present disclosure relates to an apparatus for separating and conveying plant components arising, in particular continuously, in a harvesting machine, comprising a conveying element and a conveying fan arranged in the region of an end of the conveying element. At least one air turbine which generates an airflow in a region above the conveying element onto the plant components introduced into the apparatus and falling toward the conveying element is provided in accordance with the present disclosure to be able to separate heavier plant components from lighter ones in an efficient manner. The present disclosure further relates to a use of such an apparatus as well as to a method for separating and conveying plant components, in particular corn cobs, arising, in particular continuously, in a harvesting machine.