condition mean min max 12pM Fe,Midday 55.4643 55.4643 55.4643 12pM Fe,Midnight 29.96415 28.9517 30.9766 58pM Fe,Midday 62.1521 62.1521 62.1521 58pM Fe,Midnight 22.60862857142857 0.0 29.1359 233pM Fe,Midnight 17.446366666666666 16.8137 17.9212 1160pM Fe,Midday 51.88135714285715 43.8569 64.2729 1160pM Fe,Midnight 17.945291666666666 12.11 21.9506 High carbon,Dark 37.15580333333333 1.69705 62.2781 High carbon,Light 32.262476923076925 17.509 60.2727 Low carbon,Dark 42.1059 42.1059 42.1059 Phloroglucinol 30.878899999999998 24.8253 35.4535 Silicon starvation,12h 57.7538 57.7538 57.7538