condition mean min max 12pM Fe,Midday 66.1657 66.1657 66.1657 12pM Fe,Midnight 82.89535000000001 80.8766 84.9141 58pM Fe,Midday 71.0031 71.0031 71.0031 58pM Fe,Midnight 60.88037142857143 0.0 80.1775 233pM Fe,Midnight 57.213633333333334 50.8499 61.9601 1160pM Fe,Midday 56.74538571428571 45.0483 70.1295 1160pM Fe,Midnight 38.459224999999996 19.2406 71.4446 High carbon,Dark 51.324146666666664 23.2665 79.9624 High carbon,Light 31.512776923076924 0.0 50.6448 Low carbon,Dark 32.0263 32.0263 32.0263 Phloroglucinol 63.4469 52.5116 79.6071 Silicon starvation,12h 26.4324 26.4324 26.4324