PROBLEM TO BE SOLVED: To provide a liquid supply device facilitating insertion of the liquid supply device into culture soil after replenishing liquid, and suppressing clogging of culture soil and damage of plant roots.SOLUTION: The liquid supply device 1 is equipped with a liquid holding container 2 which holds liquid (water W) to be given to a plant P, an exhaust pipe 3 which is unitedly attached to the liquid holding container 2 and is communicated with the inside of the liquid holding container 2, a water absorbing member (string body 4) which is arranged in the exhaust pipe 3 to project from the edge of the exhaust pipe 3 to the outside and sucks out liquid in the liquid holding container 2 to the outside by a capillary phenomenon, and a cylindrical surrounding member 5 which is inserted into culture soil and into which the exhaust pipe 3 is inserted in an insertable and extractable manner.COPYRIGHT: (C)2010,JPO&INPIT【課題】液体の補給後における給液装置の培養土への差し込みを容易にするとともに、培養土の詰まりや植物の根の損傷を抑えることができる給液装置を提供することを目的とする。【解決手段】給液装置1は、植物Pに与える液体(水W)を収容する液体収容器2と、液体収容器2に一体に取り付けられ、液体収容器2内に連通する排出管3と、排出管3の先端から外部に突出するように排出管3内に配設され、毛細管現象によって液体収容器2内の液体を外部に吸い出す吸水部材(紐体4)と、培養土中に差し込まれ、排出管3が抜き差し可能に挿入される筒状の囲繞部材5と、を備えている。【選択図】図3
