Columbus Instruments developed RESPIROMETER that can monitor the changes
in oxygen and carbon dioxide concentrations. During photosynthesis, plant
produces oxygen and consume carbon dioxide but during dark cycle, they
consume oxygen and produce carbon dioxide. This change in oxygen and
carbon dioxide production and consumption in plant can be measured by
If you are interested, please send e-mail or fax to the following address.
Internet: 75144,2413 at Compuserve.com