condition mean min max 12pM Fe,Midday 70.6368 70.6368 70.6368 12pM Fe,Midnight 52.0489 49.379 54.7188 58pM Fe,Midday 66.0105 66.0105 66.0105 58pM Fe,Midnight 44.856071428571425 38.0873 64.0572 233pM Fe,Midnight 44.602666666666664 42.729 45.7981 1160pM Fe,Midday 50.596157142857145 43.8153 55.5594 1160pM Fe,Midnight 21.536958333333335 16.5401 26.8749 High carbon,Dark 40.7776 24.9135 67.1741 High carbon,Light 34.86423846153846 14.2152 50.5066 Low carbon,Dark 39.5296 39.5296 39.5296 Phloroglucinol 21.4248 13.4999 34.0066 Silicon starvation,12h 76.2279 76.2279 76.2279