condition mean min max 12pM Fe,Midday 38.4838 38.4838 38.4838 12pM Fe,Midnight 32.119150000000005 28.6575 35.5808 58pM Fe,Midday 20.8097 20.8097 20.8097 58pM Fe,Midnight 24.281042857142857 0.0 33.243 233pM Fe,Midnight 20.800633333333334 19.88 21.8101 1160pM Fe,Midday 23.482314285714285 20.1754 25.7301 1160pM Fe,Midnight 10.216090833333332 4.39394 18.9999 High carbon,Dark 19.267735333333334 5.95358 42.0987 High carbon,Light 19.19596923076923 3.07673 41.6538 Low carbon,Dark 19.3009 19.3009 19.3009 Phloroglucinol 20.042733333333334 18.7561 21.6269 Silicon starvation,12h 25.4103 25.4103 25.4103