PROBLEM TO BE SOLVED: To provide a plant cultivation unit and a plant cultivation system that can perform air conditioning around plants, more efficiently than before.SOLUTION: A plant cultivation unit has, at its lower side, a lower groove part 165 mounted to form a space above a plant 20 positioned below, and has, above the lower groove part 165, a partition space part 166 that allows inflow of the gas sent from an air conditioner 12, and also has, at a bottom wall part 162 of the partition space part 166, a ventilation hole 169 for communicating between the partition space part 166 and a cultivation space part 168 above the plant 20.SELECTED DRAWING: Figure 6【課題】従来よりも効率的に植物周囲の空気調和を行うことができる植物栽培用ユニット、植物栽培システムを提供する。【解決手段】下方に位置付けられる植物２０の上方に空間を形成して載置される下方溝部１６５を下部に有し、該下方溝部１６５の上部に空調装置１２から送出される気体が流入可能な隔壁空間部１６６を有すると共に、該隔壁空間部１６６の底壁部１６２には該隔壁空間部１６６と前記植物２０上方の栽培空間部１６８とを連通する送風孔１６９を有する。【選択図】図６
