condition mean min max 12pM Fe,Midday 18.4215 18.4215 18.4215 12pM Fe,Midnight 22.72525 21.0245 24.426 58pM Fe,Midday 16.3002 16.3002 16.3002 58pM Fe,Midnight 23.044371428571427 0.0 29.7354 233pM Fe,Midnight 52.16233333333333 51.6137 52.6294 1160pM Fe,Midday 9.84946 6.89933 12.3422 1160pM Fe,Midnight 62.119275 44.3665 72.6187 High carbon,Dark 65.61128666666667 16.4233 146.106 High carbon,Light 56.81032384615385 2.80727 141.798 Low carbon,Dark 24.6958 24.6958 24.6958 Phloroglucinol 24.332966666666664 11.2097 36.2174 Silicon starvation,12h 61.7084 61.7084 61.7084