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Supplemental Light Calculator (DLICALC) now available online

If you measure light in your greenhouse, you probably use instantaneous values such as foot candles (f.c.) or lux. Unfortunately, these two units are only a measure of light visible to the human eye. As greenhouse growers we are interested in measuring photosynthetically active radiation (PAR), the light our plants utilize for photosynthesis, in micromoles (μmol∙m‒2∙s‒1). But, this is still an instantaneous reading and, as we all know, light levels are constantly changing. Research at Purdue and other universities is showing the economic benefits of monitoring and managing the cumulative amount of photosynthetic light that is received in a greenhouse over the course of a 24 hour period, which is known as the daily light integral (DLI).

E-Gro has now created a decision support tool, DLICALC as a tool to help growers manage the photosynthetic light environment.

Click here for more info (PDF)