N (nitrogen for growth)
P (phosphorus for fruits, flowering)
K (potassium for roots, flowering)
Ever wonder why some old schoolers recommend urine as a fertilizer? That's right, K is eliminated through urine whereas NP would be eliminated via other means - think guano.
End of bud swell...
You can thank the lucky stars for this. Yep, lighting from starlight which is in the 640 nanometer wavelength shortens transitioning to flowering by accelerating the conversion of Pr into Pfr.
The phytochrome molecule is the photoreceptor for red light responses and has two forms Pr and Pfr...
Avoid putting lights too close to your plants - almost enough light is never a problem but too much light is always a problem.
Grow as few plants as possible - having too many plants leads to too much work with trimming, etc, more money than necessary for nutes etc. and it doesn't produce...