An indoor soilless plant cultivating system, comprising a plurality of stationary light posts, each of which adapted to illuminate a predetermined sector of an indoor facility in accordance with a predetermined illumination signature； a plurality of plant growth towers that are rotatable about a substantially vertical axis in accordance with a predetermined timing sequence so as to be exposable to the light generated at any given time by one or more of the light posts and that are arranged by at least one module defining a module darkened interior region within which plants being instantaneously positioned receive a sensation of nighttime； and irrigation means for supplying the plants being cultivated in each of said towers with a nutrient-rich solution. Moreover, an artificial pollination system based on compressed air nozzles is incorporated within the light posts.
