The first one seems to be the bottom 2 combined. The bottom 2 are more refined as in you can choose your medium. Use the bottom two depending on soil or hydro. The top is too general.
Better said would be… The top one is the entire range. The bottom two are further broken down by growing medium.
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If you need a chart i have all kinds of charts just ask and that go’s for any help you may need
@Matthew420 is very good at what he does your in good hands
Will 
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Thankyou, i really appreciate that
If you have some that aren’t already on the chart topic, I would love to see you post them there!
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