number plants per light

  1. J

    1 Plant vs 4 Plants per 100w light. Why?

    Can someone explain to me the benefits or downfalls of putting more than one plant under a light? Let's say I have one 1000 watt fixture. That fixture is on for 12 hours and off 12 hours. During the on period, the light is generating a certain amount of photons that can be absorbed into the...