| 摘要 |
PURPOSE:To effectively supply a large volume of carbon dioxide into a paddy rice community at a low cost. CONSTITUTION:Perforated partition plates 2 and 3 are installed along both opposite sides in a paddy field 1 and a constant rate water diverting device 6 is provided in a water tank 5 communicating with an irrigation channel 4 and made to communicate with a water tank 7. A gas diffuser 8 for aerating carbon dioxide gas into water is installed in the lower part of the water tank 7 and made to communicate with a carbon dioxide source 10. |
