315W CDL Agro is made by Philips Lighting, belongs to the ceramic discharge lamp (CMH) family, also known as CDM and LEC. This is specifically designed for growing plant indoor.
The 2011 Progress Report by Illuminating Engineering Society of America (IES) stated as follows: “Philips Lighting introduces MasterColor CDM Elite Agro 315-W T12 metal halide lamps for horticulture market. These lamps reported to support excellent Photosynthetic Photon Flux or PPF with a value of 1.9 micromole per second which is comparable to 600W high-pressure sodium.”
What is the difference between an Agro and a Non-Agro lamp
There is only one agro ceramic metal halide lamp, the 315W CDM agro by Philips Lighting. There are other versions of 315W as well as lower and higher wattage ceramic metal halide lamps, however, these are not agro lamps. The major differences between agro and non-agro lamps are as follows: 1) Light spectrum, in particular, red and blue parts of the spectrum in agro lamps are tailored and optimized for growing plants indoor; 2) UV part of light spectrum in commercial lamps are minimized.
The following spectra clearly depicts that compared to Philips non-agro 315W/930 and 315W/941, the Agro 315W has more red (51% of total light energy) and less green and yellow parts of spectrum.