condition mean min max 12pM Fe,Midday 17.8723 17.8723 17.8723 12pM Fe,Midnight 18.12735 18.0516 18.2031 58pM Fe,Midday 15.7005 15.7005 15.7005 58pM Fe,Midnight 10.64867142857143 0.0 13.9992 233pM Fe,Midnight 5.70996 5.10111 6.08564 1160pM Fe,Midday 12.506728571428571 11.4358 14.3518 1160pM Fe,Midnight 4.1219525 3.20451 5.70439 High carbon,Dark 6.531571333333333 2.30009 12.0145 High carbon,Light 4.2535690769230765 0.0 10.4914 Low carbon,Dark 3.96975 3.96975 3.96975 Phloroglucinol 16.2693 13.1329 21.2868 Silicon starvation,12h 13.0951 13.0951 13.0951