To provide a connection tool for plant cultivation facility for connecting a plurality of members to a first horizontal rail member, in a state of binding the members at a certain degree, while holding intensity of the first horizontal rail member forming a skeleton part of cultivation shelves.SOLUTION: There is provided a connection tool 3 for plant cultivation facility comprising a cultivation shelf unit in which, a plurality of stages of cultivation shelves for installing thereon, a cultivation panel for holding plants being cultivated, in a vertical direction, the cultivation shelves comprising a pair of first horizontal rail members extending in a depth direction in parallel. The connection tool comprises: a horizontal rail reception part 31 to which the first horizontal rail member is fitted； a panel reception part 30 to which an end of the cultivation panel is fitted； and a plant engagement part 34 for engaging a plant capable of reflecting light in a direction of a cultivation area where the cultivation panel of the cultivation shelf is installed.SELECTED DRAWING: Figure 8【課題】栽培棚の骨格部分を構成する第１横桟部材の強度を保ちながら、第１横桟部材に対して複数の部材をある程度拘束する状態で連結させるための植物栽培設備用の連結具を提供する。【解決手段】栽培中の植物を保持する栽培パネルが設置される栽培棚が鉛直方向に複数段配列された栽培棚ユニットを備え、栽培棚は、互いに並行して奥行方向に延びる一対の第１横桟部材を有して構成される植物栽培設備用の連結具３であって、第１横桟部材が嵌まる横桟受入部３１と、栽培パネルの端部が嵌まるパネル受入部３０と、栽培棚の栽培パネルが設置される栽培領域の方向に光を反射できる板を係止する板係止部３４とを有する。【選択図】図８
