condition mean min max 12pM Fe,Midday 8.62678 8.62678 8.62678 12pM Fe,Midnight 11.996635 8.76287 15.2304 58pM Fe,Midday 11.5388 11.5388 11.5388 58pM Fe,Midnight 11.461247142857143 0.0 19.5196 233pM Fe,Midnight 23.7531 22.8643 24.5168 1160pM Fe,Midday 15.672742857142858 14.1427 17.2626 1160pM Fe,Midnight 7.545794166666667 3.51497 14.8526 High carbon,Dark 65.342694 7.23721 279.494 High carbon,Light 57.195101538461536 6.52227 156.395 Low carbon,Dark 19.2343 19.2343 19.2343 Phloroglucinol 58.31416666666667 41.142 75.4685 Silicon starvation,12h 56.5033 56.5033 56.5033