As light intensity increases, does the need for nutrients?

  • Thread starter organicness
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organicness

organicness

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Hey there,

I was wondering (and can't find a ton of information out there) if anyone has some sort of equation for as light intensity increases/demand for nutrients increases.

For example, I'm wondering if 1.3EC is enough for plants that I have under 1000w (19 inches from the bulb). They get pretty yellow and some older leaves get necrotic, and am wondering if there's too much light for the amount of nutrients I have at them, or if there is just something else going on. It'd be cool if there was some sort of chart saying for XX lumens the EC should be XX. Just a hopeful guy, I guess.

Thanks
 
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