A kind of water plowing device of this case system, it includes an at least cultivation bed and at least a water level regulation slot is formed, at least one microscope carrier and an at least floating body comprising carrying or plant plant object is respectively equipped in the cultivation bed and water level regulation slot, and each microscope carrier and floating body are then connected by an interlinked mechanism and form gearing. Liquid is adjusted by injecting to water level regulation slot, make the floating body in water level regulation slot can be as trough inner water position is gone up and down and changes height, and via the interlink function of interlinked mechanism, and the root, stem, leaf portion of microscope carrier and its plant is enabled to impregnate in the culture solution in what cultivation bed, nutrient needed for growth is absorbed in a manner of comprehensive. It is a lot of by the small what cultivation bed of liquid level area summation of the what water level regulation slot, so only need to inject in water level regulation slot or discharge a small amount of adjusting liquid, make the floating body in water level regulation slot that can change height as trough inner water position is gone up and down； Therefore, which can substantially reduce the advantages of injected water volume and Water-pumping motor duration of runs.本案係一種水耕裝置，其包括至少一栽培槽及至少一水位調節槽所組成，該栽培槽及水位調節槽內分別設有至少一包含承載或植栽植物之載台及至少一浮體，且各載台及浮體則藉由一連動機構予以連接並形成連動。通過向水位調節槽注入調節液，使水位調節槽內的浮體可隨著槽內水位升降而改變高度，並經由連動機構之連動作用，而令載台及其植物之根、莖、葉部浸漬於栽培槽內之培養液中，以全方位方式吸收生長所需的養分。由於該水位調節槽的液面面積總和小於栽培槽甚多，所以僅需在水位調節槽注入或排放少量的調節液，使水位調節槽內的浮體可隨著槽內水位升降而改變高度；因此，該水位調節槽可大幅縮減注入水量及抽水馬達運轉時間的優點。
