condition mean min max 12pM Fe,Midday 15.3835 15.3835 15.3835 12pM Fe,Midnight 20.24915 20.1112 20.3871 58pM Fe,Midday 14.0939 14.0939 14.0939 58pM Fe,Midnight 17.873757142857144 0.0 22.2445 233pM Fe,Midnight 22.084866666666667 19.8258 25.1485 1160pM Fe,Midday 9.64123 8.43085 11.1086 1160pM Fe,Midnight 8.2597275 4.51154 14.4818 High carbon,Dark 13.704874 2.58922 26.2411 High carbon,Light 7.646663846153846 3.27703 16.0043 Low carbon,Dark 19.0247 19.0247 19.0247 Phloroglucinol 3.9532966666666667 3.07105 4.91576 Silicon starvation,12h 20.9136 20.9136 20.9136