A kind of stack water ploughs vegetables plant feed unit and its plant slot,System includes the plant slot group that plural number arranges sequentially stacked on top,Each plant slot group is respectively provided with the plant slot of plural longitudinal series winding； Each plant slot have two opposite end walls,Two relatively oblique side walls and the bottom wall that is connected,Slot room what bottom wall is equipped with runner and two pipe nipples,And slot ceiling portion is equipped with plural support portion,To support a upper row to transplant the bottom wall of slot； Two pipe nipples of each plant slot of row up and down, which are sequentially contacted, to connect,The cultivated vegetables of water for up growing stretching are transplanted in the slot room two sides of each row's plant slot respectively,Culture solution is cooperated sequentially to pass through the runner that each row transplants slot by top again. To which the plant feed unit of this creation carries out series winding and upper and lower multiple-level stack using plant slot cooperation place, to efficiently use space, and the output that water ploughs vegetables is promoted.一種堆疊式水耕蔬菜栽植裝置及其栽植槽，係包括有複數排依序上下堆疊之栽植槽組，各栽植槽組分別具有複數縱向串連之栽植槽；各栽植槽具有兩相對端壁、兩相對斜側壁及相連接一底壁，槽室於底壁上設有流道與兩端接管，並且槽室頂部設有複數支撐部，以支撐上一排栽植槽之底壁；各上下排栽植槽之兩端接管依序串連相接，各排栽植槽之槽室兩側分別栽植往上生長伸出之水耕蔬菜，再配合培養液由上方依序通過各排栽植槽之流道。從而本創作之栽植裝置利用栽植槽配合場地需要進行串連與上下多層堆疊，以有效利用空間，並且提升水耕蔬菜之生產量。
