RootsRuler
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The top chart explains the availability of nutrient molecules at certain PH levels. You can use this to apply whatever nutrient molecule you want to uptake at a greater availability by manipulating the PH levels of your soil and nutrient solution. For example, lets say you want to increase the amount of phosphorous your plants can uptake. If you look at the chart this happens when the PH is around 7.1 - 7.4. You can raise the PH of your nutrient solution and water in the solution which should raise your soil PH. This will make Phosphorous more available to your plants and the intended result should occur.Coming through with more gold! Can you explain the top chart for me?
The second chart shows you the ideal light intensity you want to expose your plants to at different stages of growth.
The third is a guide in determining how high you want to hang your light to be able to provide a targeted amount of light photons to your canopy depending on the growth stage your plants are in which sort of ties into the second chart.
I'll add in a VPD(Vapor Pressure Deficit) Chart just to twist your brain a little more!
If you're not sure what VPD is or how it works click here:
The Ultimate Vapor Pressure Deficit (VPD) Guide
"Why devote an entire guide to VPD?" you might ask. The answer is that the vapor pressure deficit (VPD) is extremely important for growing plants. VPD helps you identify the correct range of temperature and humidity to aim for in your grow space. With VPD you can achieve the best results while...
pulsegrow.com