<p>In order to provide a CO 2 diffuser with which it is possible to inexpensively and easily apply CO 2 without requiring the use of new piping, the disclosed CO 2 diffuser has a structure wherein a watering pipe (3) is connected through a three-way valve (V) to the downstream ends of a CO 2 supply path (1) and a water supply path (2). CO 2 is applied by diffusing CO 2 from the watering pipe (3), and watering is conducted by spraying water from the watering pipe (3) . It is preferred that switching therebetween should be conducted automatically in accordance with data sent from a CO 2 sensor. Furthermore, it is preferred that the watering pipe (3) should be a commercial porous pipe, and this porous pipe should be supported above the ground and disposed in the vicinity of the stomata present in the backs of leaves of a plant grown in cultivation facilities.</p>
申请公布号
EP2700299(A1)
申请公布日期
2014.02.26
申请号
EP20120762923
申请日期
2012.03.21
申请人
ODANI, HAJIME;FUJIWARA, KEITA
发明人
FUJIWARA, KEITA;YOSHIDA, YUKITAKA;KOHZUMA, SHIROU;FUJII, NORIO;ISHIHARA, MASAYOSHI;OOSHIMA, KEN