PROBLEM TO BE SOLVED: To provide a water culture method capable of culturing grain, potato, edible root, and fruit.SOLUTION: The invention is configured to suck water 5 stored in a tank 3 by a water absorption string 4 formed of a water absorbent fiber for approximating culture soil 2 to a saturated liquid phase state for growing grain, potato, fruit and edible root. The culture soil is such culture soil comprising 70% of black soil or tuff loam, and 30% of leaf mold. A micro-cloth fabric is bound in a columnar state for tightening an outer periphery of the fabric and forming the outer periphery of the fabric into a trunk part, a head whose upper part is not bound is vertically cut in a cruciform state and spread into a petal-state, a fiber which is a circular state having a diameter of almost 5 cm is made to be orthogonal to a water retention increase sub piece for fixing the fiber to a bottom of a culture vessel, the trunk is suspended to a lower tank, a length of the trunk is 15 cm or less in a diameter of 2 cm, the water absorption string is adapted to a depth of a tank.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2019,JPO&INPIT【課題】穀類、芋類、根菜や果物ができる水耕栽培方法を提供する。【解決手段】タンク３に貯水する水５を吸水性のある繊維の吸水紐４で吸い上げて培養土２を飽和液相状態に近づけで穀類、イモ類、果物、根菜を育成する。黒土、又は赤土７０％、腐葉土３０％の培養土を使用する。マイクロクロスの布を円柱状に結束して外周を締め上げ胴体部とし、上部を結束されていない頭部を縦に十文字に切断し花びら状に広げ、５ｃｍ程度の円形とする繊維を保水増副片に直交して栽培容器の底に固定し、胴体を下のタンクに垂らすが長さは直径２ｃｍにおいて１５ｃｍ以下としてタンクの深さに合わせて形成した吸水紐を使用する。【選択図】図１
